Trump vowed throughout his campaign that he would conduct the largest mass deportation in U.S. history. The showdown with Los Angeles was inevitable.

The anti-Trump protests will take on added significance in California after Trump ordered the National Guard and U.S. Marines into Los Angeles in reaction to protests against ICE immigration enforcement,

In the hours before the parade began, hundreds of thousands of Americans marched and rallied in streets in cities from New York to Chicago to Los Angeles, protesting Trump's actions while in office.