<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be that the US starting to invest heavily in the stock market, which led to short-term prosperity but also led to a giant "bubble" that would pop and cause the Great Depression.</span></span>
Answer:
The Constitution is one source of law. When something is done in violation of the Constitution it is "unconstitutional". Legal vocabulary aside, that term means exactly what it says: contrary to the Constitution. Because the Constitution is a source of law, everything that is unconstitutional is also illegal.
Explanation:
No State shall enter into any Treaty, Alliance, or Confederation; grant Letters of Marque and Reprisal; coin Money; emit Bills of Credit; make any Thing but gold and silver Coin a Tender in Payment of Debts; pass any Bill of Attainder, ex post facto Law, or Law impairing the Obligation of Contracts, or grant any Title.
The Post-Classical era was the time between the 5th and 15th centuries C.E.The most prevalent mode of the Post-Classical world were EXCHANGE AND IMITATION. During this time, a world network was developed. The international trade allowed intellectual and material exchanges. These exchanges paved the way for imitation of established centers. Less organized civilizations attempted to imitate the more organized civilizations.