Stop Trump movement , also called the anti-Trump , Dump Trump , or Never Trump movement , was an effort on the part of some Republicans and other prominent conservatives to prevent front-runner and now President of the United States Donald Trump from obtaining the Republican Party presidential nomination and following his nomination the presidency for the 2016 United States presidential election . Although Trump 's campaign drew a substantial amount of criticism , Trump received 90 percent of the Republican vote , while Clinton won 89 percent of Democratic voters . Moreover , Trump was supported by 80 percent of Republican members of Congress in the general election . Following Trump 's election in November 2016 , some in the movement refocused their efforts on defeating Trump in 2020
Republican Party presidential nomination
2016 Republican National Convention
Stop Trump movement