The clause is really a state's rights clause. A state may not pass a law that makes something illegal that was legal before the law was passed. In other words if a state suddenly passed a law that said it is no longer legal to park your car in front of any government building, but it was legal to do so yesterday, the police cannot come to your door and issue a ticket for parking in front of a government building because you did it yesterday.
The constitution actually uses the phrase ex post facto law in Article 1 Section 10 Clause 1.
Answer:
C. pretty sure
Explanation:
a police officer needs a search warrant to search a house
The War Powers Act was a law passed by Congress because it would limit the power of the executive branch.
This act was passed after the Vietnam War, in which Congress gave the president almost unlimited power to put troops wherever he saw fit. This was part of the Golf of Tonkin Resolution. This did not end well, as the US involvement in Vietnam was a failure.
To prevent this from happening again, the War Powers Act was passed. This made it so that the president can only put troops in a country if the United States security was at stake. The president can only put troops there for 60 days. After that, he/she needs Congress to approve troops being there.
