Please help! Me to choose the right answer

The areas with the highest population density in europe are most likely to be

All of the following statements point out negative aspects of the gilded age except: a. politicians gave government jobs to political supporters. b. political bosses cheated large cities out of millions of dollars. c. industrialists bribed members of congress to ensure favorable votes. d. in 1903, wisconsin became the first state to hold primary elections.

What do you call places that belong to united states but arent states