Generally speaking, World War I made the American people even more bitter and isolationist leading up to World War II--since many felt that American lives had been wasted in a European conflict.
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yes as the government they should have that responsibility
It is a matter of personal opinion but if you believe that violence is an appropriate response of being wronged in some way then yes they were justified.
The U.S dropped bombs on Hiroshima and Nagasaki. Hope this helps!
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in 1453 sultan mehmed II of the ottoman empire conquered the Byzantine empire