Answer:
The third sentence is a clear example of the concept of social contract.
Explanation:
One example of “trust-busting” that Theodore Roosevelt enforced was that "<span>He broke up the Northern Securities Company," since the goal was to eliminate illegal "collusion" in order to support market competition. </span>
The president is one of the vital steps for a bill to become a law. After both houses of congress pass the bill, it gets sent to his desk where he can choose to sign it into law, or veto it. If he vetoes it, congress can try to change it and send it back.
