Why did california's desire to enter the union as a free state worry the southern states

California was the biggest of all new states and likely candidates to enter the Union, though it was not very populated by then. However, its population was rising fast because of the golden rush and significant immigration from the East Coast after 1848.

The Southern states, which allowed and supported slavery, were worried that the incorporation of California as a free state would alter the delicate balance of power between free states and slavery states in Congress and in general. Let´s not forget that slavery was very important to the South because its economy was agricultural and demanded a large labor force to function.

Explanation:

the answer to this question is the third option. hope this

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.