American aviator, author, inventor, military officer, explorer, and social activist.
The term "trias politica" or "separation of powers" was coined by Charles-Louis de Secondat, baron de La Brède et de Montesquieu, an 18th century French social and political philosopher. ... The intent is to prevent the concentration of power and provide for checks and balances.
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For the Louisiana purchase question, it more than doubled the size of the united states. As for the second question I believe the answer would be "Thomas Jefferson was eager to explore the west to ensure the survival and prosperity of the United States"
Non-Agression Pact promising not to infer in case of war
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He built a network of roads and canals and established a national religion. They built the Great Wall and standardized system of weights and measures. They made the army bigger and forced nobles to move to the capital.
