That would be the Treaty of Paris. It was an article of peace suggesting the end of the Revolutionary War with Great Britain. In September of 1783, the treaty was signed, making the end of the war official.
Hope this helps!
Answer:
Generally cities cause people to become more liberal, have a social hierarchy, and promote the general abundance of transportation.
Explanation:
Socially, you can have tenements form, races can self and forcefully segregate, and people tend to become more liberal with exposure to other races.
Cultural is kind of related. People tend to clump into ideological groups (if you can give me the context of the question I can better answer).
Political life, like I said they tend to become more liberal. If your question is centered around the 1920's you could discuss child labor laws.
The states and the congress. If a constitutional amendment is going to be ratified, first it has to get votes of support from 2/3 of both the house of representatives and the senate, after which it goes on voting in individual states, and if 3/4 of states ratify it then it becomes an official amendment of the constitution.