3 Points
Why do cities form and how have they affected culture?
Check all that apply.
O A. Cities offer more cultural activities.
B. People talk more loudly.
c. Organized crime increases.
O D. Cities form in response to business needs.

organized crime increases, cities form in response to business needs, cities offer more cultural activities

Explanation:

just took the test. People speak more loudly in the south not in cities lol :)

i think it would be reparing roads  

porter is writing economic history because he is focusing on the cost of developing vaccines.