Abraham Lincoln, the president he released slaves from slavery on January 1st 1863
Answer: The Invention of the timer gear on fighter aircraft, the monoplane and more advanced aircraft such as fighter and bombers. the tank, the submarine, the machine gun, the dreadnought, the semi-auto rifle, chemical weapons, and the sub-machine gun. The tank, the submarine, the machine gun, semi-auto rifle, and the sub-machine gun are all still used today.
Explanation:
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Answer:
The battle that convinced the French to join the Americans
Explanation:
The political, economic and social shifts occurred in 1945 during Cold War