The source of the power of Congress to be able to use taxes to fund governmental services is the Constitution.
Where does Congress get the power to tax people?
Congress is able to tax people and companies because the U.S. Constitution gives it the explicit power to do so.
As a result, Congress is able to raise taxes which is then use to fund the activities of the federal government.
In conclusion, option D is correct.
Find out more on the Powers of Congress at https://brainly.com/question/2053531.
