What territory lay west of the Mississippi River?
O Louisiana
Ohio
O Missouri
Oregon

oregon and louisiana

Explanation:

The orgeon trail is west and it goes east therefore it is west and louisiana you should know they had to venture out for that land and it was a battle for that land but not really and it was cheap because it was only 15 million dollors and 15 million is cheap now days you problably cant even get a hollywood manision with 15 million

answer-the island had airfields that the u.s. military needed.

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