Why were the region's rivers especially important to southern farmers?​

Why were the region's rivers especially important to southern farmers? They were trade routes and important transportation routes. The use of scientific methods to improve farming. ... Both northern and southern cities had public water systems and street maintenance.

Explanation:

plz mark brainleist

They were trade routes and important transportation routes. The use of scientific methods to improve farming, both northern and southern cities had public water systems and street maintenance.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.