Why was John C. Frémont's role in western expansion important? A. He helped California become a territory of the United States.
B. He settled a border dispute between Mexico and the United States in California.
C. He provided information about western lands and supported independence for California.
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D. He resisted U. S. naval forces when they tried to declare California part of the United States.

C. He provided information about western lands and supported independence for California.

Explanation:

John C. Frémont's role in western expansion was important "He provided information about western lands and supported independence for California."

Born in 1813 in Georgia, John C. Frémont was known for revolting against Spanish rule and began the Bear Flag Republic in northern California.

John C. Frémont was also famous for making many reliable accounts in the 1840s of the things encountered or found in faraway West to the Americans.

using the scientific method.