The answer is A
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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.
Answer: World War I Begins
On July 28, Austria-Hungary declared war on Serbia, and the tenuous peace between Europe's great powers quickly collapsed.
Explanation:
Pearl Harbor. The atomic bombs that we dropped on Japan was revenge for Pearl Harbor. We already had some issues with Japan but the surprise attack on Pearl Harbor was the main reason for the atomic bombs that President Truman dropped on Japan.
