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

• 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.
• The USSR sent troops to preserve communist rule in Afghanistan.
• The USSR successfully tested its first atomic bomb.

1 answer

The USSR successfully tested its first atomic bomb.