Answer:
They had a strong army that defended the borders and repal invaders.
Asia. It has the two most populated countries in it.
where did it happen
Explanation:
"It was a muggy July night in Grand River, Colorado."
I'm pretty sure (1.) is A, and I know for a fact that (3.) is D because slavery was a regular practice between quarreling tribes. I have no clue what (2.) is. Best of luck.