Which of the following actions became illegal as a result of the Supreme Court ruling in Brown v. Board of Education of Topeka?

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 did the puritan founders have control over that affected social class in new england

Space is not completely empty. there are small particles in space. what happens when these particles come together?