Answer:
Explanation:
Robert J. Oppenheimer was an American theoretical physicists. From 1939 - 1946 he was known for creating and doing research on an atomic bomb.
Answer:
the use of poison gas and machine guns
Explanation:
Aerial attacks weren't really a thing, unrestricted submarine warfare was a reason why the US joined the war but not a factor in high casualty rates, and blimps using direct artillery fire isnt as practical as machine guns and poison gas
She was not an aristocrat. She was a godess not a real person.
Most European countries were angered with the Monroe Doctrine the United States implemented especially the countries and empires part of the Holy Alliance after the Napoleonic war. But due to insufficient power and naval forces to implement the doctrine most countries disregard the threat.
