The answer that best fits the blank is ABUNDANCE OF NATURAL RESOURCES. Chiefdoms refer to those groups or kinship organization that is being led by a single person who possess both political and economic power. Generally, these chiefdoms inhabit areas that are rich in natural resources.
Your answer will be "concurrent powers"
hope this helps
Answer:
Karl Marx is best know as being a(n) author and philosopher - last choice
That's a way that a country honors or shows respect to another place or person.
I don't see a reason to go far into this so I'm keeping it short.