https://en.wikipedia.org/wiki/Power_of_the_purse#United_States

In the federal government of the United States, the power of the purse is vested in the Congress as laid down in the Constitution of the United States, Article I, Section 9, Clause 7 (the Appropriations Clause) and Article I, Section 8, Clause 1 (the Taxing and Spending Clause).

The power of the purse plays a critical role in the relationship of the United States Congress and the President of the United States, and has been the main historic tool by which Congress has limited executive power. One of the most prominent examples is the Foreign Assistance Act of 1974, which eliminated all military funding for the government of South Vietnam and thereby ended the Vietnam War. Other recent examples include limitations on military funding placed on Ronald Reagan by Congress, which led to the withdrawal of United States Marines from Lebanon.

Trump and Elon just doing some extra-judicial unconstitutional very minimal treason.