I'm pretty sure three of the causes were C, taxes, B, distance, and D, land. The colonists didn't like "taxation without representation" and also didn't like that a tiny island across the ocean was regulating their tea prices, among other things. I'm not entirely sure about D, but it is the one that makes the most sense.
Corporation because it tends to pick up a little more business <span />
conflict ended with the country split into a Communist North and a pro-Western South is the answer.
Yessss it is !!!! Hope that helped