The was the competition between the United States and the Soviet Union to develop more nuclear weapons. The reality that a nuclear war between the United States and the Soviet Union would result in complete destruction was called .
The dividing line that separated North Korea and South Korea is the .
The Middle East became a battleground for competing Soviet and US interests due to its reserves.
The United States backed its ally in the Vietnam War, which wanted to retain control over its colony.
Respond to the following based on your reading.

Why was the Middle East increasingly seen as an important region for both the Soviet Union and the United States and its allies?
Why did the United States and the Soviet Union fight the Cold War in the "Third World"?