Agricultural has 12 letters
They spread industrial technologies and products across wide areas.
Hitler needed a way to blame all of Germany's problems on something, by doing this he could alienate the Jews and justify his hatred towards them
Answer:
they tripled because in world war 2 the african americans were reproducing and they were getting higher in numbers
I am going to go ahead and say that your answer is C because regions can end for many reasons and most of which I'm certain of which are affected by the physical characteristics of the region.
I hope that this helps. :)