Why are the human societies being complex and diversifie?

Which perminant civil rights leader would have disagreed most with washington's approach to solving the problem of racial inequality in the south?

Abasic premise of the national response framework is that: a. most incidents begin and end locally and are managed at the local or tribal level. b. response partners use nonstandard structures to allow for flexible and scalable responses. c. readiness to act encourages response partners to self-dispatch to an incident scene. d. incidents should be managed at the highest jurisdictional level possible.

How did the kansas-nebraska act contradict the missouri compromise?