The answer is C good luck on your assignment!
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.
It’s a bc I took the test
Chronological are the history of the events that occur in sequence.
by the following choices that shows the events arranged in the correct chronological order are: b. early middle age, end of byzantine empire, high middle ages
hope this help