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 major way that the geographic location of the united states affected its foreign policy before world war 2 was that it was protected by ocean, meaning it never felt the need to defend itself to a great extent.
The British did all of the following things mentioned in the question above.