[611] The cash shortage forced the campaign to scale back advertising spending.[612]
Trump campaign advertisements focused on crime, claiming that cities would descend into lawlessness if Biden won the presidency.[613] Trump repeatedly misrepresented Biden's positions[614][615] and shifted to appeals to racism.[616]

2020 presidential election
Main article: 2020 United States presidential election
See also: 2020 United States Postal Service crisis
Starting in spring 2020, Trump began to sow doubts about the election, claiming without evidence that the election would be rigged and that the expected widespread use of mail balloting would produce massive election fraud.[617][618] In July, Trump raised the idea of delaying the election.[619] When, in August, the House of Representatives voted for a $25 billion grant to the U.S. Postal Service for the expected surge in mail voting, Trump blocked funding, saying he wanted to prevent any increase in voting by mail.[620] He repeatedly refused to say whether he would accept the results of the election and commit to a peaceful transition of power if he lost.