Final answer:
The United States bought the Louisiana Territory for more land, resources, strategic control of the Mississippi River and New Orleans, and to enhance their global power.
Step-by-step explanation:
The United States decided to buy the Louisiana Territory for several reasons. One reason was the desire for more land and resources, as the acquisition doubled the size of the country. Another reason was the strategic importance of controlling the Mississippi River and the port of New Orleans, which allowed for increased trade and access to the Gulf of Mexico. Additionally, the purchase provided the United States with greater security and strengthened its position as a global power.
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