Originally, it was all Christian groups (Protestant, Catholic, etc) that had religious freedom in colonial Pennsylvania, although later it was open to all religions of any faith.
The
principle that is evident through the "necessary and proper
clause" in the U.S. Constitution is the rule of law. The correct answer
between all the choices given is the first choice. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
The correct answer is A. While the states are free to make their own laws they cannot make laws that violate the constitution. For example a state cant legalize murder.