The correct term is voter turnout.
Voter turnout represents a percentage of how many eligible voters came out and participated in a recent election. Demographics refers to breaking down individuals who voted in elections based on different factors like race. The other two terms are somewhat unrelated to voting.
"Bleeding Kansas", this was a fight between North and South over Kansas and Nebraska to be a free or slave state
Answer:
Spread of communism (The Domino Theory) and its support from China and Russia.
Explanation:
Before the Vietnam war, the United States was very much concern about the spread of Communism in Asia, as they gave it a term of Domino theory. The theory asserted the situation of letting a communist nation to takeovers other neighbouring states and converting it under communism. The U.S. involvement in Vietnam began in 1954, though ongoing conflict in the region of North and South.
Russia assisted China in spreading communism in Asia which also became one of the reasons for the United States to refuse to withdraw from the Vietnam conflict.
The answer to this answer is A.
The National American Free Trade Agreement (NAFTA) had a purpose of supporting free and easier trade between other nations (specifically the US, Canada, and Mexico), which is very close to the details mentioned in this quote.
If you were to read the NAFTA, you would find this quote in Chapter 1, Article 102.