Answer:
The Cotton Gin caused a surge in slave populations in the south because the plantations needed more slaves to harvest cotton. The land turned into farmland for people looking to strike it rich. The economy of the south soared with the new inventions with cotton being the biggest export from the south.
Matthew C. Perry was a 19th century U.S. Naval officer who fought in the Mexican War and headed an important expedition to Japan to open diplomatic relations.
It certainly did. The Red Scare was basically a witch hunt in which people who held different political opinions were prosecuted. Anyone who supported communism, socialism, anarchism, or any similar ideology was prosecuted for being un-american and and often these people would end up in prison or face societal ostracizing.