Mostly they affected it through their imperialism. They would colonize and take over countries for resources, and with them they would bring their technologies and things that they needed. After they left these things stayed, things like telephone and telegram lines and similar things. Culturally, they would mostly disregard the local culture and impose their own which would often be accepted and kept by the locals, but often there was also warfare.
C and D
Agriculture was very profitable for the southern states
And
Climate conditions favored agriculture industries
Answer:
much lower
Explanation:
the water was frozen
with that ice melting now the water levels are rising
