Because they disagreed on how to win the korean war. MacArthur wanted to get down to business and bomb them but truman wanted to wait and piddle around. Hope this helps!
One way the U.S and the U.S.S.R were competing during the Cold War was with military technology. Both sides invested heavily into new military technologies trying to get the upper hand. The Second way was the Space race, both sides competed to be the first to put a man on the moon.
Important reasons for studying history are recognizing patterns, connecting the past to the present and revealing past contributions of civilizations.
Germany and are the two countries
Answer:
World War I Germany's unfettered submarine warfare against American ships during World War I provoked the U.S. into abandoning the neutrality it had upheld for so many years. The country's resultant participation in World War I against the Central Powers marked its first major departure from isolationist policy.