In 1849 Californians sought statehood and after heated debate in the U.S Cogness arising out of slavery issue, California entered the union as a free, non slavery state by the compromise of 1850. California became the 31st state on September 9, 1850.
<span>Economic, social and political structures differed significantly between the two regions, and these disparities only widened in the 1800s. In 1861, the Civil War erupted between the two sides, and much of the conflict surrounded sectional differences. Once the war ended, reconstruction lessened some sectional disparities but increased others.</span>