The Gulf of Tonkin resolution advocated the use of nuclear weapons against North Vietnam if that government did not accede to American demands. authorized the president to take all necessary measures to repel any armed attack against American forces and to prevent further aggression in Vietnam. condemned the U.S. involvement in Vietnam and demanded that American troops be withdrawn immediately. demanded that Chinese troops be withdrawn to the Tonkin region before negotiations could begin. constituted a congressional explanation to the American people of the Johnson administration's immediate and long-term foreign policy goals in Southeast Asia