A group led by Klonsky became known as RYM II, and the other side, RYM I, was led by Dohrn and endorsed more aggressive tactics such as direct action, as some members felt that years of nonviolent resistance had done little or nothing to stop the Vietnam War.[1] The Weathermen strongly sympathized with the radical Black Panther Party. The police killing of Panther Fred Hampton prompted the Weatherman to issue a declaration of war upon the United States government.