That the grade for the teacher
Answer: The Manhattan Project was the code name for the American-led effort to develop a functional atomic weapon during World War II.
Explanation: The Manhattan Project was the American program for researching and developing the first atomic bombs. The weapons produced were based solely upon the principles of nuclear fission of uranium 235 and plutonium 239, chain reactions liberating immense amounts of destructive heat energy.
North America was the closest comparison. The mongol empire covered 9.15 million square miles of land while North America covers 9.54 million square miles of land.
The correct answer is C. The battle of New Orleans enabled Americans to win generous terms in the treaty of Ghent.
The Battle of New Orleans was important because it was the last big battle of the War of 1812. American forced repelled the British army and won a decisive victory. This gave the US a good position during the Treaty sign and Britain had to lose some terms.