Question

how did the possibility of great wealth suddenly arose during gold rush how did this change racial dynamics of California

Answer 1

Makes it more diverse bringing in many Irish as well as other white immigrant groups.
California had been primarily Mexicans left over from the Mexican-American War and some Chinese from railroad production. The gold rush brought poor immigrants to California hoping to strike it rich. The Irish were the largest immigrant group to arrive. 

Answer 2

Answer:

Competition over mining claims led to xenophobia and racial violence against immigrants

Explanation: