The grassroots effort has been organized across social media sites using hashtags #buildtheresistance and #50501, calling on Americans to "fight fascism."

Thousands gathered in front of state capitols across the U.S. on Wednesday to protest against the Trump administration's aggressive moves to reshape the federal government and American society. The big picture: Demonstrators nationwide rallied against a slew of policies instated by the president less than three weeks into his term,