Which of the following events had to happen in order for president nixon to withdraw the trips from south vietnam? russia had to do united states with the war. south vietnam had to overtake north vietnam. north america had to negotiate a cease-fire with south vietnam. north korea had to surrender to china.

Nixon propose a plan where by the united states and north Vietnam would agree to withdraw forces from south Vietnam

The correct option is "North America had to negotiate a cease-fire with South Vietnam."

Richard Milhous Nixon It ended with the US intervention in the Vietnam War in 1973. Nixon's visit to China in 1972 established diplomatic relations between the two nations. Nixon initiated the détente between the United States and the Soviet Union, promoting the Anti-Ballistic Missile Treaty.

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

a drastic rise in oil prices ended decades of postwar.