Final answer:
The 10th Amendment of the United States Constitution outlines that rights cannot be denied to states.
Step-by-step explanation:
The amendment that outlines that rights cannot be denied to states is the 10th Amendment of the United States Constitution.
This amendment is part of the Bill of Rights and it states that powers not delegated to the federal government are reserved to the states or the people. It helps maintain a balance between the powers of the federal government and those of the individual states.
For example, the 10th Amendment gives states the authority to create their own laws regarding education, healthcare, and other areas that are not specifically mentioned in the Constitution.
Learn more about 10th Amendment