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

Responses

The USSR sent troops to preserve communist rule in Afghanistan.
The USSR sent troops to preserve communist rule in Afghanistan.

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.

All of the listed events caused tensions to increase during the Cold War between 1948 and 1953:

1. The USSR sent troops to preserve communist rule in Afghanistan.
2. The USSR successfully tested its first atomic bomb.
3. The U.S. invaded the Dominican Republic to stop it from becoming a communist state.
4. China and the United States supported opposing sides in the Vietnam War.