Respuesta :

Under the reign of President Thomas Jefferson, the exploration generally had negative slavery effects on the Americans.

Explanation:

Westward expansion of the US was taken as the key to nation's health by Jefferson. It began early in 1803. He signed a treaty with France in which the US paid a lumpsum amount of money to buy the land near Mississippi river, which infact doubled the size of the country.

Believing that the US needed to expand west to help ensure its survival and prosperity he took this chance to buy the land from Napoleon Bonaparte of France. Though this resulted not in the expansion of the empire rather it became the reason for the destruction of the republic.

The president of united states, Thomas Jefferson signed a treaty with Napoleon Bonaparte of France in 1803  purchased the territory of Louisiana.

The land in the purchase was spread from the rocky mountains to the Mississippi river and from New Orleans to Canada which was bought for $15 million.

How did expansion of land affected United States?

The exploration resulted in an acquirement of territory of Louisiana which almost doubled the size in area of the United States. This led to the development of the nation having more area.

With the purchase of territory by paying in lump-sum , Mr. President brought resources like gold and other minerals for the development of the nation.

Therefore, exploration under Jefferson affect the western land claims of the United States later in the century.

Learn more about Louisiana purchase here:

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