Which two groups led armed protest during the 1960s?

One of the group is the Weatherman sometimes called Weathermen (extreme leftist movement ) also known as The Weather Underground Organization (WUO), who promoted armed struggle because of social unrest in America during the Vietnam War. They were responsible for bombings at the end of the 1960s.  Some activists changed and entered this kind of revolutionary movement because they believe that change can be done using armaments. Another group is the Red power Movement which was created American Indians, their goal is to gain Indian recognition from the government through armed struggle and protests.