The person that got shot was Archduke Franz Ferdinand, Heir of the Austrian- Hungarian throne.
For Italy, they were spies who collected top secret knowledge for the Allied Powers. They were U.S. soldiers who fought off the enemy successfully. They were British troops leaving their units to join the enemy.
It is "<span>extension of slavery."
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Freed slaves who wanted land available under the homestead act still faced the challenge of intense racism and segregation--meaning that they faced persecution and violence from whites who were in competition over the land.
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Answer:
The Soviet Union joining in to help northern Vietnam caused America to join sides with the southern Vietnam to help fight against communist which led to US troops in Vietnam.
Explanation: join the fox army.