What are hallmarks of an advanced civilization that were found among the ruins of Mohenjo-Daro?

Great Bath, Citadel, Lower Town, and homes.

Explanation:

Mohenjo- Daro site consists of two mounds. The higher mound is known as Citadel. The structures here built on artificial mud and mud-brick platform.  The buildings on the Citadel are closely associated with the Harappa Civilization. In the north, it had Great Bath, which is the finest example of Harappan engineering skill with staircases. The wall and floor tightly sealed with close fitted bricks and a thick layer of bitumen.  

yup! you are correct it is b.

explanation:

i think it is in quadrant 4.

the five year plans were part of a command economy. there was little choice in what would be emphasized for the current 5 year period.

the answer to democracy or totalitarianism is a bit harder. in stalin's time, russia was totalitarian. now that's not entirely true. putin has moved towards at least the boundary.