To provide an accurate response, I would need to know which specific territory marked with an "X" you are referring to. The United States acquired various territories through different means such as treaties, purchase agreements, war, and annexation. If you can specify the territory in question (for example, Louisiana Purchase, Texas, Alaska, Hawaii, etc.), I can give you a detailed explanation of how it was acquired.
how did the united states aquire the territory marked with the X
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