Which area on the map had the greatest urban population at the start of the Twentieth Century? *

The northeastern portion of the east coast, region D, had the largest urban population by the start of the Twentieth Century. Hope this helps!

Explanation:

The northeastern portion of the east coast, region D, had the largest urban population by the start of the Twentieth Century. The area's industrialization and increased immigration from Europe helped to make this possible. CIties such as New York, Boston, and Philadelphia were some of the major urban areas here.

Explanation:

a. the astrolabe could determine the correct latitudinal location of the ship

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office