Which THREE of these followed the discovery of gold in California and the gold rush?

A. The population surged from a few thousand to some 100,000.
B. Most forty-niners found wealth by panning or shoveling for it.
C. California applied to be a new state.
D. California imposed a tax on foreign miners and ultimately prohibited immigration from China.

After the California Gold Rush, California experienced a population surge, applied for statehood, and imposed taxes on foreign miners and ultimately prohibited Chinese immigration.

Explanation:

California's Gold Rush aftermath saw a surge in population, California applied for statehood, and taxes were imposed on foreign miners, with later prohibition of Chinese immigration to mitigate competition.

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