Because the south wasn't as civilized as the north and relied more on agricultural business and shipping to those in the north so when the war started there was a embargo on any products from both sides
The Japanese attack on Pearl Harborcaused about 2400 dead, almst 200 planes destroyed and 8 battleships destroyed or damaged. The long-term effect of Pearl Harbor was that it brought in the US to the war. It pushed Americans into the war that they were avoiding for so long.
It was the Battle of Manassas (also known as the Battle of Bull Run) that was the first major Civil War battle were heavy casualties occurred, since this took place only months after the war began.
Answer:
The Cuban Missile Crises. ... Soviet Premier Nikita Khrushchev saw an opportunity to strengthen the relationship between the Soviet Union and Fidel Castro's Cuba and make good its promise to defend Cuba from the United States. In May 1960, Khrushchev began to ship ballistic missiles to Cuba and technicians to operate them.
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