Which of the following statements is most accurate?
A) By 1990, more than half of the population of the United States lived west of the
Mississippi River.
B) By 1990, more than half of the population of the United States lived west of the Grand
Canyon.
C) By 1990, more than half of the population of the United States lived west of the Colorado
River.
D) By 1990, more than half of the population of the United States lived west of the Rocky
Mountains.
E) In 1990, more than half of the population of the United States lived west of the Great
Plains.
A) By 1990, more than half of the population of the United States lived west of the
Mississippi River.
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