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.

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.

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 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 significantly escalated the arms race between the United States and the Soviet Union, heightening fears and tensions during the early years of the Cold War. The other events mentioned occurred outside the specified time frame or pertained to different contexts within the Cold War.