Which of the following events caused tensions to increase during the Cold War between 1948 and 1953?(1 point)

Responses

The USSR successfully tested its first atomic bomb.
The USSR successfully tested its first atomic bomb.

China and the United States supported opposing sides in the Vietnam War.
China and the United States supported opposing sides in the Vietnam War.

The U.S. invaded the Dominican Republic to stop it from becoming a communist state.
The U.S. invaded the Dominican Republic to stop it from becoming a communist state.

The USSR sent troops to preserve communist rule in Afghanistan

1 answer

The event that caused tensions to increase during the Cold War between 1948 and 1953 is:

The USSR successfully tested its first atomic bomb.

This event in 1949 marked a significant escalation in the arms race between the United States and the Soviet Union, leading to heightened fears and tensions during the early years of the Cold War. The other events mentioned occurred later in the Cold War timeline.