They where big trading cities that many people wanted to control and because of it geographic location it was used as a cultural hearth
They have a common because they all share a location which can be implemented on maps
After the War the king started to tax the colonies to pay for the war costs. The colonies didn’t like that and declared independence resulting in the war.
Some would argue the Soviet Union, while others say the US. It depends how you look at the question. There are certain things that prove it was the fault of one while some prove it was the fault of another.
