Final answer:
Donald Trump made five major claims during his presidency regarding the election, the Mexican border wall, domestic and foreign policies, and media coverage.
Step-by-step explanation:
The major claims made by Donald Trump during his presidency include:
- The claim that he won the 2020 presidential election and that President Joe Biden's victory was due to massive voter fraud.
- The claim that Mexico's southern border has a wall constructed by the Mexican government to prevent the flow of migrants.
- The claim that he implemented significant domestic policy changes during his time in office.
- The claim that he made significant foreign policy changes during his time in office.
- The claim that the media constantly compared other candidates to him during the 2016 presidential race.