Answer:
The Cold War began after the surrender of Nazi Germany in 1945, when the uneasy alliance between the United States and Great Britain on the one hand and the Soviet Union on the other started to fall apart.
b, did not suffer any major wars
Pinckney's Treaty with Spain finally solved the problem of the boundary between the United States and West Florida. Pinckney's Treaty<span>, known as the </span>Treaty<span> of San Lorenzo or the </span>Treaty<span> of Madrid, was signed in San Lorenzo de El Escorial on October 27, 1795 and established intentions of friendship between the United States and Spain. </span>Thank you for posting your question here. I hope the answer helps