Put these events in the correct order

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.

What was one of the causes of war war two what was one of the causes of the war of 1812

What did the introduction of silk into the mediterranean do for the abbasid empire