How did the discovery of gold in California impact Western expansion? Select the two correct answers.

A. It caused many poor southerners to abandon slavery
B. It led to an alliance between the United States and China.
C. It led to mistreatment of immigrants.

A. It caused many poor southerners to abandon slavery

C. It led to mistreatment of immigrants.

The correct answers are:

A. It caused many poor southerners to abandon slavery.
C. It led to mistreatment of immigrants.