== == Because the colonies were British colonies, belonging to the British king and populated by British people. The so called War of American Independence was a civil war between British people in the colonies and their king.
There was an American Revolution between 1776 and 1783. The war was a protest against English rule and trade restrictions with the intent to gain freedom from the English. The understanding that the colonies could govern themselves was not accepted in Europe.
The English colonies of New York and New Jersey were originally inhabited by native American tribes. These areas were also centers for trade and commerce between these tribes and the Dutch and French arrivals.
Maryland was created as a refuge for English Catholics. Georgia was created in order as a barrier between the the English colonies and the Spanish colonies. The English wanted to discourage Spanish expansion.