Answer:
He killed a group of proslavery settlers near Pottawatomie Creek.
Explanation:
The war that happened. I'm sure that is the answer
I believe its; Had understand of scientific principles, had understanding of mathematics, developed technologies which somehow were lost (The records of the lost technologies were burned down in a library/and when Roman was overran by barbarians, thus I'm not sure if the last one is correct or not.)
Answer:
Northen plains are made of alluvisal soil,have been deposited by three important himalayan river system_the Indus,the ganga and the brahmaputra
Explanation:
hope it helps