Which amendment explains what laws are reserved for the states to make

Amendment X

Explanation:

The tenth amendment with the description – “Rights Reserved to States” was approved in 1791 with the Bill of Rights and it properly states the restrictions to the powers the federal government have.  

Furthermore, it went to show that the powers the constitution did not delegate to the United States nor prohibit by it to go to the states, are kept for the states respectively, or to the people.

i think it is the third one.

answer; software failure, and human error;