How did the United States manage to expand its territory across the continent?

Iam not here to cheat, i just need to check my answer. how were incan commoners grouped within their social class? a. by gender and age b. by family rank c. by wealth and status d. by religious worship my answer is c. i believe this because slaves are at the bottom of the rank, whilst the emperor is above all.

Why did the other allies like great britain and france not support wilsons 14 points?

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?