In 2008, President George W. Bush vetoed the Medicare Improvements for Patients and Providers Act after it had passed Congress. Both houses of Congress voted to override the president’s veto, and the act became law on July 15, 2008.

Explain which constitutional principle this scenario illustrates. What evidence led you to that conclusion?
a) Popular Sovereignty
b) Republicanism
c) Rule of Law
d) Limited Government
e) Federalism
f) Separation of Powers
g) Checks and Balances