Claim: Donald Trump won the Republican primaries.
Evidence: In June 2015 , he launched his campaign for the 2016 presidential election and quickly emerged as the front-runner among seventeen candidates in the Republican primaries.
Sanctioned by the Republican Party , these elections are designed to select the 2,472 delegates to send to the Republican National Convention , who selected the Republican Party 's nominee for President of the United States in the 2016 election , Donald Trump.