How did California become a controversial issue in 1849?

Explanation:

In 1849, Californians sought statehood and, after heated debate in the U.S. Congress arising out of the 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.

answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final

the answer is richard nixion