Final answer:
The subject of this question is Social Studies and it pertains to the concept of the presidential veto and the process by which a bill can become law despite being vetoed by the President.
Step-by-step explanation:
The subject of this question is Social Studies. It pertains to the concept of the presidential veto and the process by which a bill can become law despite being vetoed by the President. According to the Constitution, if the President vetoes a bill passed by Congress, it can still become law if it is passed again with a two-thirds majority vote in each house of Congress. This process of overriding a presidential veto is an example of the system of checks and balances in the U.S. government.