Republican presidential nominee Donald Trump at a campaign rally at the South Florida Fair Expo Center on Thursday in West Palm Beach, Florida. Joe Raedle/Getty Images In a fiery speech attempting to discredit several women accusing him of sexual misconduct, Donald Trump on Thursday tried to deflect attention to the power of what he called a "global power structure" out to "destroy" him.

Speaking at a rally in West Palm Beach, Florida, the Republican presidential nominee sought to pin this election as the "last chance" his supporters had at overthrowing the "corrupt" establishment of the media, government, special interests, and corporations all working in concert.

"It's a global power structure that is responsible for the economic decisions that have robbed our working class, stripped our country of its wealth, and put that money into the pockets of a handful of large corporations and political entities," Trump told the crowd. "For them it's a war, and for them nothing at all is out of bounds. This is a struggle for the survival of our nation, believe me. And this will be our last chance to save it on November 8 — remember that."

After a 2005 tape of Trump saying obscene things about women surfaced on Friday, and multiple women accused him of unwanted, inappropriate contact on Wednesday, his campaign appeared to be unraveling. Prominent Republicans withdrew their endorsements. Polls showed his Democratic counterpart, Hillary Clinton, surging to victory.

Trump has been espousing antiestablishment rhetoric since he entered the presidential race, but his denunciations on Thursday were spiced with a renewed vigor, seeming to galvanize and reassure his base.

Taking an almost apocalyptic tone in Thursday's speech, he suggested that the media and the banks in particular were working to elect the "Clinton machine" so they could stay in power and that they were behind the personal attacks lobbed against him in the past week.

"For those who control the levers of power in Washington, and for the global special interests, they partner with these people that don't have your good in mind," Trump said. "Our campaign represents a true existential threat like they haven't seen before. This is not simply another four-year election. This is a crossroads in the history of our civilization that will determine whether or not we the people reclaim control over our government."

The Anti-Defamation League described Trump's specific attacks on the media and the banks as "fascist code for 'Jews,'" The New York Times reported.

Sean Sullivan of The Washington Post wrote that Trump's belief that the "global power structure" was out to get him fit into the Manhattan mogul's support for other conspiracy theories — including the President Barack Obama birther fiasco and his suggestion that the father of his Republican primary opponent Ted Cruz was connected to John F. Kennedy's assassination.

Just weeks and one final debate stand between the American people and a new president. As Trump said to close his speech:

"Our Independence Day is at hand, and it arrives finally on Nov. 8."