U.S. Geography

What Iowa fort was the first of its kind, built to protect one Native American group from another?

More Questions from U.S. Geography
Which of these states borders Iowa?
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The state of Montana boasts the largest breeding population in the lower United States of what swan?
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Which mountains are located in Virginia?
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Which state in the eastern U.S. is known as the "Empire State"?
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Which state touches 4 of the great lakes?
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Nebraska was once called the "Great American" what?
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Which location in the United States has the highest average temperature?
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How many states border Tennessee?
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