According to this map, how did the United States answer the Soviet threat of missiles in Cuba?
by establishing their own missile sites and naval bases in Cuba and the surrounding islands
by developing early warning systems to detect incoming missiles
by blockading the island with aircraft carriers
by negotiating with the Soviet Union about the number and location of missile bases
by establishing their own missile sites and naval bases in Cuba and the surrounding islands
by developing early warning systems to detect incoming missiles
by blockading the island with aircraft carriers
by negotiating with the Soviet Union about the number and location of missile bases