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.
A. Andrew Johnson was president from 1865 when Lincoln was assassinated to 1859, where he lost reelection to Ulysses S. Grant.
Answer:
Three-fifths compromise, compromise agreement between delegates from the Northern and the Southern states at the United States Constitutional Convention (1787) that three-fifths of the slave population would be counted for determining direct taxation and representation in the House of Representatives.
Explanation:
The article set up a government that consisted of one house body of govens with each state having a single vote to actively could make decisions on certain things. There was no president and of course no judiciary.