A) The federal government lost power over the states through the policy of new federalism.
The concept of New Federal was to transfer powers from the US federal government back to the state. The states were allowed to take a more active role in their own affairs. New federalism involves the federal government providing a block grant to the State to resolve social issues but in return, <span>the federal government would monitor outcome as well as provide broad discretion to the states for how the programs were implemented. </span>
The answer for this is "Compromise of 1850".
The Compromise of 1850 is a set of laws dealing with the issue of slavery. California was admitted as a free state, upsetting the groups in favor of slavery and satisfying those opposing it in the U.S senate. In Addition, California abolished the slave trade by entering the Union as a free (no slavery) state.
Everyone sees something different. If one day they say: this should not be allowed. Then one day someone will show it to them and Make them see it from a different perspective. They see it and say: maybe we should find another way other then prohibition.