Which of the following events caused tensions to increase during the Cold War between 1948 and 1953?(1 point)%0D%0AResponses%0D%0A%0D%0AThe USSR sent troops to preserve communist rule in Afghanistan.%0D%0AThe USSR sent troops to preserve communist rule in Afghanistan.%0D%0A%0D%0AThe USSR successfully tested its first atomic bomb.%0D%0AThe USSR successfully tested its first atomic bomb.%0D%0A%0D%0AChina and the United States supported opposing sides in the Vietnam War.%0D%0AChina and the United States supported opposing sides in the Vietnam War.%0D%0A%0D%0AThe U.S. invaded the Dominican Republic to stop it from becoming a communist state.

Answer 1

The USSR successfully tested its first atomic bomb.