The answer is form a hypothesis.
ANSWER
<em>Russia</em>
HERES HOW:
<em>On March 30, 1867, the United States reached an agreement to purchase Alaska from Russia for a price of $7.2 million. The Treaty with Russia was negotiated and signed by Secretary of State William Seward and Russian Minister to the United States Edouard de Stoeckl.</em>
<em>I DIDN'T WRIGHT THIS SO THIS IS NOT MINE BUT READ THIS IT SHOULD HELP :)</em>
What do you mean colonies? You mean the 13 colonies?
Their ethnicity / culture / nationality?