Answer:
The New Deal restored a sense of security as it put people back to work. It created the framework for a regulatory state that could protect the interests of all Americans, rich and poor, and thereby help the business system work in more productive ways
Explanation:
Fourth Amendment to the Constitution of the united states. Also fun fact it is one of the amendments included in what we call the Bill of Rights.
Zimmermann telegram- Nothing like negotiating with a neighbor to invade their front lawn.
Unrestricted submarine warfare- Sinking ships owned by the US constantly is already making us angry.
and the sinking of the Lusitania- Now this wasn't the final straw but it did indeed shake US support for Germany and caused outrage all over the USA.
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.
