The Congressional power is known as the Supremacy clause.
In Article 6 Clause 2 of the United States Constitution, it states that federal laws are the supreme laws of the land. This means federal laws trump all other laws in the United States. So if the federal government wants to prosecute people for the possession of marijuana in a state where it is legal, they can legally do so thanks to the supremacy clause.
There are no options given, but historically speaking it was the invention of "Cotton Gin".
A cotton gin was a revolutionary invention which enabled people to
easily separate cotton fibers and seeds; previously it used to take a large
time sorting it manually. The inventor behind this was <span>Eli Whitney. The processing was made easy but
still slaves were needed to grow cotton.</span>
D. maybe but I'm not totally sure. I'm sorry this isn't my best subject, but you can always ask me. I'm always here to help with whatever you need.
