How did the Gold Rush of 1849 affect the issue of enslavement?

It caused conflict as both anti-enslavement and pro-enslavement supporters rushed to one region.

It made enslavers more interested in mining gold than planting cotton, reducing tensions about the future of enslavement.

It encouraged many settlers to go to California, speeding up its application to be a free state.

It led to popular sovereignty in the states of Kansas and Nebraska.