I believe that it had an effect on the union because their were no slaves in California so white miners and prospectors were unhappy, California had also made themselves a non-slave state.
A)
The law was a copy of the one proposed by republican president Richard Nixon in 1974
We were ok and then they just came out of no where. we were the sleeping giant because we got mad and war began
Slavery was a major issue of weather it should continue or not. this lead to the civil war. before that we were still in the practice of manifest destiny( US expansion from Atlantic to Pacific oceans) so we couldn't decide what states would be introduced as slave or free.so the correct answer is Existing states fought over whether or not slavery should be allowed in the new territories