What country established the 13 colonies

The Thirteen Colonies, also known as the Thirteen British Colonies or the Thirteen American Colonies, were a group of colonies of Great Britain on the Atlantic coast of America founded in the 17th and 18th centuries which declared independence in 1776 and formed the United States of America

Explanation:

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britain's king george iii, however, refused to receive the petition, which, written we consider whom we must oppose in this contest, and if it continues, what may the fundamental grounds upon which americans were taking up arms had shifted. that king george refused to so much as receive the