Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) President Donald Trump is not putting to rest this weekend's uproar over professional football players' protests during the national anthem, declaring early Monday that a rival sports franchise was more suitably patriotic. "So proud of NASCAR and its supporters and fans," Trump wrote on Twitter at 7:25 a.m. ET. "They won't put up with disrespecting our Country or our Flag - they said it loud and clear!" He went on to write eight minutes later: "Many people booed the players who kneeled yesterday (which was a small percentage of total). These are fans who demand respect for our Flag!" He later tweeted "#StandForOurAnthem" and retweeted a user who cited for NFL player Pat Tillman, who was killed in Afghanistan in 2004 while serving with the Army Rangers.Trump repeated calls over the weekend to fire players who kneel during the national anthemHis remarks struck many as stoking racial resentments 
 Question:Even as other leagues -- like those for golf and tennis -- have seen black athletes rise to stardom, _ has remained dominated by white drivers.

NASCAR