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
Mecklenburg Declaration of Independence though the Mecklenburg Declaration was supposedly written more than a year before the 1776 United States Declaration of Independence, the two declarations had some very similar phrases, including "dissolve the political bands which have connected", "absolve ourselves from all allegiance to the British Crown", "are, and of right ought to be", and "pledge to each other, our mutual cooperation, our lives, our fortunes, and our most sacred honor". This raised an obvious question: did Thomas Jefferson, the principal author of the American Declaration of Independence, use the Mecklenburg Declaration as a source? One person who thought so was John Adams,