Question

where is the highest population density in the eastern united states?
western mountains
northeast
southeast
coastal southwest

Explanation:

The northeastern U.S. has a cluster of large, densely populated cities (like New York, Boston, Philadelphia) and a long history of urbanization and industrialization, leading to the highest population density in the eastern U.S. The other options are either not in the eastern U.S. or have lower population density.

Answer:

northeast