When California applied for statehood southern states feared what?

It would choose to be a free state

Explanation:

Back in the day there was a delicate balance of slave state and fre state which kept balace in government and having california be a free state would give less power to the south and an unfair advantage to the north hope this helps god bless

peace keepers

idealism to be spread

riches kept

russia because it is the biggest state