Ruinous is the meaning for destruction
They feared being invaded and threatened by NATO because of NATO's exercise of nuclear capability.
Answer:
Passionate
Explanation:
President Kennedy was a passionate supporter of civil rights.
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The United States and the Soviet Union began building up
their military forces very quickly.
This led to a nuclear arms race whereby the two countries
competed for supremacy in nuclear warfare. The result was that each acquired
enough warfare to completely destroy the other resulting in a Mutually Assured
Destruction state of affairs