Please translate to english!? que??
Answer:By the 1850s the United States had become a nation polarized by specific regional identities. The South held a pro-slavery identity that supported the expansion of slavery into western territories, while the North largely held abolitionist sentiments and opposed the institution's westward expansion.
Explanation:
The lessons that can be learned from the McCarthy era have to do mainly with freedom of speech and the rights that people should have when they are being accused of something.
Joseph McCarthy was an American senator who prosecuted many individuals because of their supposed ties with communists, spying for the Russians or any other kind of danger they could represent for USA and its people during the Cold War.
Because of this, many people were unfairly imprisoned, questioned, and their lives ruined. It's very important to avoid repeating these mistakes, as all citizens should be able to express themselves freely and have the right to defend themselves from false accusations.
Cultural diffusion and the spread of ideas and trade