The Indus River Valley people are considered a "civilization". What are THREE things that would qualify the people of the Indus River Valley as a civilization.

In what two ways were the tang and song dynasties of china similar? they jointly built the grand canal. they were economically strong. they had weak military forces. they ruled for about 300 years. they discouraged buddhist ideas.

Why was frederick douglass encouraged by the dred scott decision?

Sociology is best described as the systematic study of