What continent did the mongols live?

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.

European expansion into africa left native regimes intact but had a strong impact on local societies what does this mean

According to the map, most mining occurs in the a. northern b. southern c. eastern d. western