Answer:
Development of agriculture
Explanation:
Development of agriculture helped ancient civilizations to settle in one place and focus on growing crops. Agriculture developed near river making lands around them fertile and provided fresh water for irrigation. Civilizations were able to establish their kingdom with people in a large group. They now engaged in other activities including trade, conquering neighbour states, developing technology, building structures, etc.
The National Origins Acts created a preference for immigrants from "Northern and Western Europe," since it greatly reduced the number of immigrants who could immigrate to the US from Asia and Eastern Europe.
The main purpose of was to explain their view of purpose of human government. Without Kings or queens but with branches of government so that most everyone agree
True, that's what your text book says...
