I believe it’s the last 2 options , hope that helps
What delegate are you referring to?
Answer: The US government's decision to develop a hydrogen bomb, first tested in 1952, committed the United States to an ever-escalating arms race with the Soviet Union. The arms race led many Americans to fear that nuclear war could happen at any time, and the US government urged citizens to prepare to survive an atomic bomb.
Explanation: hopefully this helps you with what ever u are doing
rapid economic growth and social change.