how long has the usa been a country
United States Paleo-Indians migrated from Asia to the North American mainland at least 15,000 years ago.[23] European colonization began in the 16th century. The United States emerged from 13 British colonies along the East Coast. Numerous disputes between Great Britain and the colonies following the Seven Years' War led to the American Revolution, which began in 1775, and the subsequent Declaration of Independence in 1776. The war ended in 1783 with the United States becoming the first country to gain independence from a European power.[24] The current constitution was adopted in 1788, with the first ten amendments, collectively named the Bill of Rights, being ratified in 1791 to guarantee many fundamental civil liberties. The United States embarked on a vigorous expansion across North America throughout the 19th century, acquiring new territories,[25] displacing Native American tribes, and gradually admitting new states until it spanned the continent by 1848.[25] During the second half of the 19th century, the American Civil War led to the end of legal slavery in the country.[26][27] By the end of that century, the United States extended into the Pacific Ocean,[28] and its economy, driven in large part by the Industrial Revolution, began to soar.[29] The Spanish–American War and World War I confirmed the country's status as a global military power. The United States emerged from World War II as a global superpower, the first country to develop nuclear weapons, the only country to use them in warfare, and a permanent member of the United Nations Security Council. The end of the Cold War and the dissolution of the Soviet Union in 1991 left the United States as the world's sole superpower.[30]
United States House of Representatives The United States House of Representatives is the lower chamber of the United States Congress. The Senate is the upper chamber. Together they compose the legislature of the United States.
Is It Fall Yet? The film chronicles the characters' summer break between seasons four and five.
American Revolution Tensions erupted into battle between Patriot militia and British regulars when the king's army attempted to capture and destroy Colonial military supplies at Lexington and Concord on April 19, 1775. The conflict then developed into a global war, during which the Patriots (and later their French, Spanish, and Dutch allies) fought the British and Loyalists in what became known as the American Revolutionary War (1775â€“83). Each of the thirteen colonies formed a Provincial Congress that assumed power from the old colonial governments and suppressed Loyalism, and from there they built a Continental Army under the leadership of General George Washington. The Continental Congress determined King George's rule to be tyrannical and infringing the colonists' rights as Englishmen, and they declared the colonies free and independent states on July 2, 1776. The Patriot leadership professed the political philosophies of liberalism and republicanism to reject monarchy and aristocracy, and they proclaimed that all men are created equal.