Knowra United States United States The United States is a federal republic in North America comprising 50 states, the District of Columbia, and several territories. Its federal government shares authority with state governments under a written constitution.
Constitution of the United States : The supreme law of the United States, establishing the federal government and defining its powers and limits. It establishes the framework shared by the federal government and the states.
Thirteen Colonies : The British colonies on the Atlantic coast of North America that declared independence in 1776 and formed the original United States. Their political communities became the first states.
United States economy : The national economy of the United States, comprising private and public activity across goods, services, finance, and trade. Its scale and institutions influence economic conditions at home and abroad.
Louisiana Purchase : The 1803 acquisition of a vast territory from France that nearly doubled the area of the United States. It accelerated westward expansion and raised questions about federal power and slavery.
United Kingdom : A sovereign country in northwestern Europe comprising England, Scotland, Wales, and Northern Ireland, governed as a constitutional monarchy. Its parliamentary system and uncodified constitution contrast with U.S. presidential government and written constitution.
Federalism in the United States : The division of governing authority between the national government and state governments in the United States. It explains how states retain powers within a single national republic.
American Revolution : The political and military struggle through which the Thirteen Colonies won independence from Great Britain. The revolution created the independent country and its founding political claims.
United States foreign policy : The strategies and actions through which the United States conducts relations with other countries and international organizations. The federal government uses diplomacy, trade, and security policy to engage the world.
Trail of Tears : The forced removal of Native American peoples from the southeastern United States to lands west of the Mississippi River, especially in the 1830s. It exemplifies the human cost of U.S. territorial expansion and removal policy.
Canada : A federal parliamentary democracy in North America and a constitutional monarchy comprising ten provinces and three territories. Its neighboring federal system offers a comparison in parliamentary government and provincial powers.
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