<u>Answer:</u>
Immigration affected the demographics in the United States by making it a multicultural nation.
<u>Explanation:
</u>
- The United States is one of the nations with the highest full factor. This makes learned professionals from around the world wanting to move to the US.
- The United States already has a huge population of migrants that accounts for 14.4% of the total population of the country.
- These migrants partially follow their cultures occasionally. This makes the United States a multicultural nation owing to its varied demographics.
Ku Klux Klan was a known racist organization that wanted to frighten the black population - the correct answer is"to restrict and frighten blacks from being involved in Southern governments"
The Black Codes were codes that restricted the rights of African Americans to work - so it's false that it allowed black people the right to vote without paying a poll tax. (this was the 24th Amendment)
The main reason was to prevent communism in Vietnam Also to Help reduce the french influence towards Vietnam. Hope this helps!
the answer is B by the way, good luck!