What term was used to describe the communist countries of eastern europe

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.

One of the goulding principles of the nation is islam was a) gaining economic power for african americans. b) gaining religious freedom for african americans. c) living together in equal together with white people. d) using nonviolent resistance to gain equality.

Why hadn’t europeans used maritime routes before the age of exploration?