Groups ranging from an anti-government patriot group in Portland, Oregon to alt-right Proud Boys in Kalamazoo, Michigan battled anti-fascists and Black Lives Matter activists as months of anti-racism protests increasingly pitted Americans against one another. Several dozen demonstrators, many armed and carrying Confederate battle flags, staged a rally in the Atlanta suburb of Stone Mountain next to a park famed for its giant monument to leaders of the breakaway slave-holding states.