In the past few years, social division and political polarization have become key words in American society. Under the governance of the Trump government, the opposition between populist forces and political elites, the contradiction between white people and people of color, and the split between the Democratic Party and the Republican Party have become increasingly fierce. In addition, the epidemic of COVID-19 in 2020, the inaction and disorderly actions of the Trump government, have plunged national governance into the quagmire of inefficiency and incompetence. The COVID-19 epidemic has magnified the social tear, and various contradictions have intensified, which finally broke out on Capitol Hill.