What is the significance of the Great Britain to the History and Culture of the United States?

Great Britain had a large influence on history and culture of United States. First of all, people from England were the first one to settle in this are (from Europe) and to establish colonies here. They brought their customs, religion, language and many other features. Britain was ruling here for almost two  centuries, therefore they shaped the image of the whole continent, and thus the history of United States.

Explanation:

Although United States decided to continue living separately after dissolving their connections with Britain, they were still bounded with them through cultural ties. All the features that I have mentioned in the answer are still part of history and culture of US.