Answer:
Early humans migrated to America crossing the Bering Strait, which back then was a wide swath of land, about 15,000 years ago.
The distance across the Atlantic Ocean
The British government would have to travel across the Atlantic to send any communication, enforce any laws or exchange any resources with the American colonies.
Americans were self-sufficient and could provide anything they needed to support their society because of they didn't depend on Great Britain they were less excepted on their rule.
Personally, I don't think so.
Every information we have is by principle, biased. We can never have a full picture on the issue (we don't live long enough to have ALL the information and all the other people's opinions) so this means that we only know a selection of relevant information. This selection biases our perception of the issue: so in this way, I think that we are bound to be at least a little bit biased.
Groups such as the Visigoths, Vandals, Angles, Saxons, Franks, Ostrogoths were tribes of people that helped bring about the collapse of rome.