John Quincy Adams
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Less terroristic attacks.
I really don’t know why this is so challenging to me
Answer:
The Great Wall of China was built as a military defensive line to defend the invasions from some northern nomadic nations. Apart from the function of defense, the wall also boosted the economy, as well as promoted the culture exchange and national integration of different nations at its two sides.
He bought Louisiana Purchase, launched the Lewis and Clark expedition and wrote the Declaration of Independence
