Answer:
C) Contributed to the rise of boomtowns.
Step-by-step explanation:
Definition of boomtown:
"a town undergoing rapid growth due to sudden prosperity."
During the period of the California Gold rush, it was considered a boomtown since from the rush of gold, many people starting taking what they had, to find a fortune in gold. The population grew and mining grew from the result of boomtowns.
Note:
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