The correct answer is England (later known as Great Britain). England established 13 colonies along the Atlantic coast of North America, which eventually became the original 13 states of the United States.
England controlled the American colonies.
The country that controlled the American colonies was England. To determine this, you can examine the history of colonial America. The American colonies were initially settled by various European countries, including Spain, France, England, and Portugal. However, by the 18th century, England established dominance over most of the colonies. The English colonies stretched along the eastern seaboard, from what is now Maine down to Georgia. They had significant control and influence over these territories, including political, economic, and military control.
