Which country founded the thirteen America colonies that later became the United States?

Great Britain

Explanation:

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 North America founded in the 17th and 18th centuries which declared independence in 1776 and formed the United States of America.

the supreme court plays a big role in government. the constitution gives them ability to check the president and the congresses actions and dictate if their actions are allowed by the constitution or not.

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