History of the United Kingdom Britain as the world's dominant colonial power. During the 1760s and 1770s, relations between the Thirteen Colonies and Britain became increasingly strained, primarily because of opposition to Parliament's repeated attempts to tax American colonists without their consent. Disagreement turned to violence and in 1775 the American Revolutionary War began. In 1776 the Patriots expelled royal officials and declared the independence of the United States of America. After capturing a British invasion army in 1777, the US formed an alliance with France (and in turn Spain aided France), evening out the military balance. The British army controlled only a handful of
United States Declaration of Independence the colonies, such as the Stamp Act of 1765 and the Townshend Acts of 1767. Parliament believed that these acts were a legitimate means of having the colonies pay their fair share of the costs to keep them in the British Empire. Many colonists, however, had developed a different conception of the empire. The colonies were not directly represented in Parliament, and colonists argued that Parliament had no right to levy taxes upon them. This tax dispute was part of a larger divergence between British and American interpretations of the British Constitution and the extent of Parliament's authority in the