President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE on Friday said his administration's efforts to resolve a trade dispute with China and seek nuclear disarmament with North Korea amounted to cleaning up a "mess" created by the Obama administration.

"If you look at what we've straightened out, I call it the Obama-Biden mess," Trump told reporters outside the White House. "We're straightening it out, whether it's North Korea ... you were going to end up in a war with North Korea, and now the relationship is a good relationship."

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"You look at what Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE has done with China ... we lost our shirts with China [under the Obama administration], and now China is dying to make a deal," he added.

The Trump administration's trade negotiations with China erupted last month, resulting in new tariff action on billions of dollars' worth of Chinese and American goods.

Chinese officials recently said that no further deals to resolve longstanding trade issues between the two countries will be considered until the Trump administration removes all tariffs on Chinese goods. U.S. officials, meanwhile, have warned that some tariffs would need to remain in place as an enforcement measure in the event of a potential deal.

The two countries are reportedly in the process of planning a third summit between the two leaders after a meeting earlier this year ended without significant progress.

"He's the bully that I knew my whole life. He's the bully that I've always stood up to. He's the bully that used to make fun when I was a kid [with a] stutter, and I'd smack him in the mouth," Biden said.

Biden, who is the front-runner for the Democratic Party's 2020 presidential nomination, announced his third White House bid earlier this year and now leads the field of Democratic candidates in most polls, though his lead in various surveys has slipped in recent weeks.

Updated at 12:41 p.m.