Why did jefferson's principles and ideas in the declaration of independence support separation from england?

Recorded from The History of the present King of Great Britain and the closure is unfit to be the leader of a free people, list continuous reasons why it underpins partition from England. The fundamental reason is that In 1776 after the states could never again address the outrages submitted by England, the settlements requested to be discrete and free from England's run the show. For a demand of Independence to be made it would need to be done legitimately, in this way, a record called the Declaration of Independence appeared. 
Jefferson expressed many reasons that King George III was harming the general population and why they needed opportunity.