Over 98% Of Americans Can’t Pass This 3rd Grade Geography Test

What is the longest river in the United States?

51%
Retry Correct Incorrect The Mississippi might immediately come to mind when it comes to American rivers, but it isn’t the longest river in the country. That honor goes to the mighty Missouri, which flows through seven states.
George Rose/Getty Images
George Rose/Getty Images

What is the longest river in the United States?

  • Missouri River
  • Colorado River
  • Mississippi River
  • Hudson River
51%

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