The second Democrat debate on the road to the 2020 presidential election was much more combative than the first debate on Wednesday.

The debate produced a number of powerful moments, particularly from one candidate.

Here are the winners and losers.

The Democrat challengers to Trump in 2020 Show all 25 1 /25 The Democrat challengers to Trump in 2020 The Democrat challengers to Trump in 2020 Bernie Sanders The Vermont senator has launched a second bid for president after losing out to Hilary Clinton in the 2016 Democratic primaries. He is running on a similar platform of democratic socialist reform Getty The Democrat challengers to Trump in 2020 Joe Biden The former vice president recently faced scrutiny for inappropriate touching of women, but was thought to deal with the criticism well and has since maintained a front runner status in national polling EPA The Democrat challengers to Trump in 2020 Elizabeth Warren The Massachusetts senator is a progressive Democrat, and a major supporter of regulating Wall Street Reuters The Democrat challengers to Trump in 2020 Amy Klobuchar Klobuchar is a Minnesota senator who earned praise for her contribution to the Brett Kavanaugh hearings Getty The Democrat challengers to Trump in 2020 Michael Bloomberg Michael Bloomberg, a late addition to the 2020 race, announced his candidacy after months of speculation in November. He has launched a massive ad-buying campaign and issued an apology for the controversial "stop and frisk" programme that adversely impacted minority communities in New York City when he was mayor Getty Images The Democrat challengers to Trump in 2020 Tulsi Gabbard The Hawaii congresswoman announced her candidacy in January, but has faced tough questions on her past comments on LGBT+ rights and her stance on Syrian President Bashar al-Assad Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Pete Buttigieg The centrist Indiana mayor and war veteran would be the first openly LGBT+ president in American history Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Deval Patrick The former Massachusetts governor launched a late 2020 candidacy and received very little reception. With just a few short months until the first voters flock to the polls, the former governor is running as a centrist and believes he can unite the party's various voting blocs AFP/Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Beto O'Rourke The former Texas congressman formally launched his bid for the presidency in March. He ran on a progressive platform, stating that the US is driven by "gross differences in opportunity and outcome" AP The Democrat challengers to Trump in 2020 DROPPED OUT: Kamala Harris The former California attorney general was introduced to the national stage during Jeff Sessions’ testimony. She has endorsed Medicare-for-all and proposed a major tax-credit for the middle class AFP/Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Bill De Blasio The New York mayor announced his bid on 16 May 2019. He emerged in 2013 as a leading voice in the left wing of his party but struggled to build a national profile and has suffered a number of political setbacks in his time as mayor AFP/Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Steve Bullock The Montana governor announced his bid on 14 May. He stated "We need to defeat Donald Trump in 2020 and defeat the corrupt system that lets campaign money drown out the people's voice, so we can finally make good on the promise of a fair shot for everyone." He also highlighted the fact that he won the governor's seat in a red [Republican] state Reuters The Democrat challengers to Trump in 2020 DROPPED OUT: Cory Booker The New Jersey Senator has focused on restoring kindness and civility in American politics throughout his campaign, though he has failed to secure the same level of support and fundraising as several other senators running for the White House in 2020 Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Wayne Messam Mayor of the city of Miramar in the Miami metropolitan area, Wayne Messam said he intended to run on a progressive platform against the "broken" federal government. He favours gun regulations and was a signatory to a letter from some 400 mayors condemning President Trump's withdrawal from the Paris Climate Accord Vice News The Democrat challengers to Trump in 2020 DROPPED OUT: Kirsten Gillibrand The New York Senator formally announced her presidential bid in January, saying that “healthcare should be a right, not a privilege” Getty The Democrat challengers to Trump in 2020 DROPPED OUT: John Delaney The Maryland congressman was the first to launch his bid for presidency, making the announcement in 2017 AP The Democrat challengers to Trump in 2020 DROPPED OUT: Andrew Yang The entrepreneur announced his presidential candidacy by pledging that he would introduce a universal basic income of $1,000 a month to every American over the age of 18 Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Julian Castro The former San Antonio mayor announced his candidacy in January and said that his running has a “special meaning” for the Latino community in the US Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Marianne Williamson The author and spiritual adviser has announced her intention to run for president. She had previously run for congress as an independent in 2014 but was unsuccessful Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Eric Swalwell One of the younger candidates, Swalwell has served on multiple committees in the House of Representatives. He intended to make gun control central to his campaign but dropped out after his team said it was clear there was no path to victory Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Seth Moulton A Massachusetts congressman, Moulton is a former US soldier who is best known for trying to stop Nancy Pelosi from becoming speaker of the house. He dropped out of the race after not polling well in key states Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Jay Inslee Inslee has been governor of Washington since 2013. His bid was centred around climate change AFP/Getty The Democrat challengers to Trump in 2020 DROPPED OUT: John Hickenlooper The former governor of Colorado aimed to sell himself as an effective leader who was open to compromise, but failed to make a splash on the national stage Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Tim Ryan Ohio representative Tim Ryan ran on a campaign that hinged on his working class roots, though his messaging did not appear to resonate with voters Getty The Democrat challengers to Trump in 2020 DROPPED OUT: Tom Steyer Democratic presidential hopeful billionaire and philanthropist Tom Steyer is a longtime Democratic donor AFP/Getty

Winners

Kamala Harris

The California senator needed a strong performance to truly catapult her into the conversation about the likely next Democrat nominee - she got one.

Taking on Mr Biden over his comments about race and his record in dealing with segregationist politicians was the stand out moment of either debate. Another line about voters not "wanting a food fight" also resonated.

Democratic Debate: Kamala Harris attacks Joe Biden over his comments about segregationists: 'I don't believe you're a racist' but your comments were hurtful

Ms Harris sounded presidential, and a quip about the president holding a microphone in "her hand" was slick. Backed up by an impressive social media presence, this was a campaign kicking into gear.

There are issues over her support for abolishing the private insurance industry during the debate, which runs counter to some previous comments - but overall the clear winner. That includes both nights.

Pete Buttigieg

Lost out to Ms Harris overall, but did enough to make sure he stood out.

Questions over a police officer-involved shooting in his hometown of South Bend, Indiana - which has sparked outrage in the local African-American community - were rehearsed and will not convince many. However he spoke convincingly on a number of topics.

He spoke about why Democrats should not cede religion to Republicans in a powerful way and also managed to hit out at President Trump without sounding too desperate.

The mayor has plenty of political talent and the debate let it show. He sounded like he had been in Congress for a while which will help his prospects.

Kirsten Gillibrand/Michael Bennet

The New York senator just about squeaked a win.

A frustrating first half of the debate left Ms Gillibrand visibly frustrated - but broke through with her defence of abortion rights. That moment will probably be enough to give her a lift in the polls.

The same could be said for Colorado senator Michael Bennet. While he was the least searched-for candidate during the debate according to Google, he spoke well for six minutes (about the same as Ms Gillibrand) and certainly increased his profile.

Losers

Joe Biden

The former vice president fell into the trap that Elizabeth Warren managed to avoid the previous night - that the frontrunner in any race is likely only going to lose ground at a debate.

Mr Biden started strongly, dominating the debate with Bernie Sanders and Ms Harris, but grew more subdued as the two hours wore on.

Democratic debate: Joe Biden calls for smart guns with biometric data

While not every candidate decided to take pot shots at Barack Obama's former administrative partner, Ms Harris' attack left him exposed.

The only lines that won extended applause were those that mentioned Mr Obama and Mr Biden relied on them a lot.

Has the talking points, and certainly had the air time, but it was a shaky start.

Bernie Sanders

The Vermont senator was solid, but unspectacular.

Being used to debating one establishment candidate in 2016, the plurality of views around him meant his message is not as powerful as it was from such a stage.

Democratic debate: Bernie Sanders admits middle class Americans will pay more taxes under his plans for country

His repetition of his healthcare promises and his "revolution" mantra made him sound a step behind, not a step ahead.

His worst moment? Moderator Rachel Maddow read him a quote of his about guns. Mr Sanders responded: "That's a mischaracterisation." Ms Maddow retorted: "It's a quote of yours." The audience laughed. Ouch.

Andrew Yang

The entrepreneur had the lowest speaking time of any candidate, slightly more than two and a half minutes.

Many of his fans thought it would be a break-out moment for him, about the dangers of technology and the business nouse he would bring to the White House.

He had his points rehearsed well, but they sounded wooden.

In a debate that featured a number of heavy-hitters, Mr Yang struggled to get his message out.

Marianne Williamson

The author and spiritual adviser gave an emotional performance and was the most-searched candidate during the debate according to Google.

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However, those seeking her out will likely not all be doing so for her platform.