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 Congress passed Adams's radical preamble, the Virginia Convention set the stage for a formal Congressional declaration of independence. On May 15, the Convention instructed Virginia's congressional delegation "to propose to that respectable body to declare the United Colonies free and independent States, absolved from all allegiance to, or dependence upon, the Crown or Parliament of Great Britain". In accordance with those instructions, Richard Henry Lee of Virginia presented a three-part resolution to Congress on June 7. The motion was seconded by John Adams, calling on Congress to declare independence, form foreign alliances, and prepare a plan of colonial confederation. The