How California Can Legally Leave The US

Andre Santana posts on Medium of a way he believes California could become a country without changes to the constitution. He refers to Article 4 Section 3 Clause 2: 

“The Congress shall have power to dispose of and make all needful Rules and Regulations respecting the Territory or other Property belonging to the United States;”

The crux of the argument is that, since California was a territory before becoming a state, a simple act of Congress could perform the statehood process in reverse, reverting California back to a territory.

And there is a historical precedent, as in the cases of the Philippines and Cuba, to grant US territories their independence.

California can legally exit the U.S.A without any changes to the Constitution and there’s Historical Precedence supporting it