This bill matters because it addresses a long-standing debate over who has the power to start a war. By cutting off funding for unauthorized military action, it forces any potential conflict into the public eye for debate in Congress rather than allowing it to be decided solely by the White House. This is particularly relevant given the historically tense relationship between the U.S. and Cuba.

If this becomes law, it acts as a legal 'lock' on the military budget regarding Cuba until the end of 2026. Without it, a President could potentially use existing broad authorities or emergency powers to engage in military skirmishes or interventions without a formal vote from Congress.