In 1952, at the height of the Korean War, a labor dispute threatened to shut down the nation's steel industry and imperil the war effort. To avert a strike, President Harry Truman, acting as commander in chief, ordered the Secretary of Commerce to seize and operate several steel mills. But the Supreme Court found that here the President has overstepped his constitutional authority. It held that only Congress, acting under its commerce power, could authorize the seizure of private property in time of war, and it had not done so. This is an example of ...

The correct answer is: The judicial branch limiting the executive branch.

Explanation:

The united states federal government is divided in three branches:

1. The Judicial

2. The Executive

3. The Legislative

Each one has unique faculties and responsabilities, and they are empowered in such way they can control other branches to prevent abusive actions and to regulate their power. This is called the "Checks and balances system". In this case we can see that the President Harry Truman (Head of the executive branch) was overstepping his constitutional authority by seizing private property so the Supreme Court (Judicial Branch) and the Congress (Legislative branch) regulated Truman's actions.