What motivated president jefferson to negotiate the louisiana purchase

During 1803, Napoleon Bonaparte, who was the French ruler at that time, controlled the Louisiana Territory. President Jefferson believed that the French leader may be a threat to American trade and travel, so he decided to negotiate the Louisiana purchase. By doing so, the US would be able to use the Mississippi River and the Port of New Orleans more freely; both ports had been used by farmers to ship their crops and get paid. Jefferson was able to buy the Louisiana territory from France, since Napoleon Bonaparte needed money for the Great French War. As a result, with the purchase of this new territory, the land area of America nearly doubled.

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the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.