The "anti-communist" rally boasting a who's who of white nationalist speakers was to have been held three days after Christmas in Charlotte.
A report from the Department of Homeland Security outlined how anarchist groups and extreme-right supporters were preparing for an unprecedented confrontation.
A series of events planned across the U.S. make up what the neo-Nazi website Daily Stormer called the "Summer of Hate."
In a series of tweets, Clinton condemned white supremacists for inciting violence in Charlottesville that led to the death of one person and injuries of several others.
Trump finally tweeted a response to the violence in Charlottesville but failed to mention the city directly or condemn the groups responsible for the civil unrest occurring in the Virginia town.