Question

Please help! Answer these two questions and I will give you a medal! What limits did the U.S., U.S.S.R, and Great Britain agree to regarding nuclear weapons testing in 1963? each nation was permitted a limited number of tests per year testing could only occur underground testing plans had to be submitted to the other countries for approval all testing had to take place on uninhabited islands Which event resulted in the greatest threat of nuclear war? U.S military aid to South Vietnam outbreak of war in the Middle East Soviet Union launched Sputnik U.S. naval blockade of Cuba