#1 would be either d or b I narrowed it down.
#2 would be c or the other answer it might be b from there chose and use notes !!
Answer:
what exactly are you asking? i would love to help, but i need more detail plz.
Explanation:
With rivers, cities grew with receiving enough resources from the rivers like water and fish for survival. With rivers, they can ride to different cities and trade. Rivers are a very important part of nature. They can give you so many resources for survival.