The document summarizes key events in California's history around labor movements, social diversity, and civil unrest. It discusses how the Great Depression came late but impacted agriculture, tourism, and entertainment. This led to increased labor resistance and formation of unions. As diversity increased with immigrants from over 70 ethnic groups, tensions rose around issues like affirmative action, bilingual education, and immigration laws. Major riots broke out in Watts in 1965 and LA in 1992 in response to incidents of police brutality against African Americans.