Why Did the Discovery of Gold in Faraway California Cause

Why did the discovery of gold in faraway California cause consternation in the South?

A) The flood of new wealth from California threatened to upset the delicate financial balance between the North and South.
B) The influx of foreign miners to California meant more non-whites on American soil.
C) The fertile soils in California were amenable to cotton growing.
D) The lure of gold might cause many more slaves to run away.
E) The rapid influx of settlers seeking their fortunes caused the territory to quickly seek statehood.