Per a quick AI query:
No, a U.S. president cannot declare another country to be a U.S. state. The U.S. Constitution grants the exclusive power to admit new states into the Union to Congress, not the president.Making another country a U.S. state involves a lengthy legislative and diplomatic process, rather than a unilateral presidential declaration.The Statehood Process Under the Admissions Clause (Article IV, Section 3) of the U.S. Constitution, Congress holds the sole authority to admit new states. The process requires:Congressional Approval: Both the House of Representatives and the Senate must pass legislation admitting the new state, usually referred to as an "enabling act". The president must then sign this bill into law. International Agreement: To absorb an entirely foreign sovereign country, the two nations would likely have to negotiate formal treaties. The president has the power to negotiate or sign a treaty, but it requires a two-thirds ratification vote in the U.S. Senate.Internal Integration: The foreign country or territory would need to hold votes to demonstrate that the majority of its citizens desire statehood, adopt a state constitution that aligns with the U.S. Constitution, and agree to transition to U.S. laws, currency, and federal taxes
Not going to happen.