WORLD HISTORY

Detailed explanation-1: -Known as the Cold War, this conflict began as a struggle for control over the conquered areas of Eastern Europe in the late 1940s and continued into the early 1990s. Initially, only the United States possessed atomic weapons, but in 1949 the Soviet Union exploded an atomic bomb and the arms race began.

Detailed explanation-2: -Three key features defined the Cold War: 1) the threat of nuclear war, 2) competition over the allegiance (loyalty) of newly independent nations, and 3) the military and economic support of each other’s enemies around the world.

Detailed explanation-3: -The “space race” was a Cold War competition between the United States and the Soviet Union to develop aerospace capabilities, including artificial satellites, unmanned space probes, and human spaceflight.