The colonists called independence on their part because they didn't want to be taxed for no reason. Tea, etc. The British also housed soldiers in their own homes. This was called the quartering act. The British also did many other wrong things to them. They only did this because the British saw them as poor and little and that they could do nothing.
By declaring themselves an independent nation, the American colonists were able to confirm an official alliance with the Government of France and obtain French assistance in the war against Great Britain.
The answer is a the population will have a natural growth increase because once the birth rate is greater than the death rate there is a population growth
