Simple answer irrigation system.
Want more information use this source:
https://en.m.wikipedia.org/wiki/Neolithic_Revolution
Tien An mon. My mom's friend was actually part of the protest.
The correct answer is C) decreased nativist sentiment towards different cultural groups within the country.
In the years following World War I, the Red Scare played a key role in the following political changes: it led to increased restrictions on immigration, Americans unified to protect the national identity from Communism, and it contributed to the popularity of a revived Ku Klux Klan throughout the United States.
If the question refers to the years port Worl War 1, then we are talking about what historians name as the First Red Scare during 1919-1920 in the United States. The fear of the spread of anarchism and Bolshevistic ideas spread across the country. Organizations specifically targeted labor unions and labor movements of being anarchists. The Second Red Scare was promoted by Wisconsin Republican Senator Joseph McCarthy during the Cold War years.
Answer: b the union winning the Civil War
Explanation: I took the test
He believes that trading with markets in Asia can help the US economy grow.
