It has done this because when they have to extend a train track or the road they have to get rid of a forest that is growing just because they want more people to get around and travel. Also they have to do this because imagine of you are just driving through a forest and then a tree is leaning and then it gets in the way of the road when it falls.
C) local citizens in each state
Cause communism is supposed to be the answer i did my research :)
