9th Amendment
The 9th amendment states the government can not expand power to take away rights. The Black Codes were an expansion of state rights which took away the freedman's rights as people.
The bill of rights was an addition to the US Constitution as a way to win the approval of many opponents. The opponents of the new system of the federation were concerned over the fact that the federal government would have high power and would kill individual rights. Because of that, they were opposed to the Constitution. With the Bill of Rights, they would win support because people’s rights were guaranteed.
A received approcal to make the states comply with congressional laws
E set up a national court to solve interstate disputes
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