What nationality or ethnic group endured persistent racial discrimination, punishing labor conditions, and lack of labor and safety protections in California during the 1880s through the early 1900s? Select one Chinese Mexicans Current and former African slaves Japanese Native Americans Upton Sinclair, the outspoken writer and socialist easily won the Democratic nomination for Governor in 1934--what was his campaign called? Select one End of Slavery in California End of Immigration in California End of Poverty in California End of Racism in California End of Muckraking in California Solution Chinese nationality. The gold rush in California led to the immigration of chinese to work as laborers. The United States and China signed the Burlingame Treaty in 1868. U.S. Congress adopted the the Chinese Exclusion Act of 1882. End of Poverty in California The End Poverty in California movement (EPIC) was a political campaign started by Upton Sinclair. Sinclair\'s campaign for Governor of California in 1934 was based on this movement..