What authority does Congress have over other states according to Article III of the Constitution? Over federal territories?

Question

What authority does Congress have over other states according to Article III of the Constitution?  Over federal territories?

Ms. Sue · Answer

http://caselaw.lp.findlaw.com/data/constitution/article03/

Joshua · Answer

Thank you for your help.

Ms. Sue · Answer

You're welcome.

Joshua · Answer

I just have one more question on this matter; does the Congress's power to declare treason to a person/ establish inferior courts in states pertain to the federal territories as well?