What were the political and social effects of westward migration in the early 19th century? (One Paragraph)

Why were the colonists beginning to think about what constituted a good government?

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points.a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

According to the qianlong emperor, why was china not interested in importing anything else?