Answer :
Because it was located in both the north and the south according to the southerners, so the Union or North had to appease the south or Confederacy to allow California into the union.
Answer and Explanation
This is basically Because Californians constitution had banned slavery thus this led to southerners objecting making it a state because it would upset the balance of free slave state. 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.To apply for statehood the Californians were first required to first write and approve their constitution. Once it was approved, the people elected a governor and state legislators. California was admitted as a state.
