Answer:
It was a rally to unite the right. Nazis, neo confederates, neo-fascists, white nationalists and all other evil organizations suck as the klansmen joined forces and marched on the streets. They carried semi-automatic rifles and chanted anti jew, white supremacists slogans and threats. After the rally, they went into hiding again since the public was not very fond of their racist and bigoted, scientifically unsupported claims based on their feelings.