I need help with this please

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.

The segments shown below could form a triangle.

Why was hawaii so important to the united states & why did japan bomb pearl harbor?