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5 days ago · Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
3 hours ago · Historians and economists still have not agreed on the causes of the Great Depression, but there is general agreement that it began in the United States in late 1929 and was either started or worsened by "Black Thursday," the stock market crash of Thursday, October 29, 1929. Sectors of the US economy had been showing some signs of distress for ...
3 days ago · The Royal Navy ( RN) is the naval warfare force of the United Kingdom, British Overseas Territories and Crown Dependencies, and a component of His Majesty's Naval Service. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...
3 days ago · Ancient Greece usually encompasses Greek antiquity, as well as part of the region's late prehistory (Late Bronze Age). It lasted from c. 1200 BC – c. 600 AD and can be subdivided into the following periods: Greek Dark Ages (or Iron Age, Homeric Age), 1100–800 BC. Archaic period, 800–490 BC.
3 days ago · The history of the Internet has its origin in the efforts of scientists and engineers to build and interconnect computer networks.The Internet Protocol Suite, the set of rules used to communicate between networks and devices on the Internet, arose from research and development in the United States and involved international collaboration, particularly with researchers in the United Kingdom and ...
2 days ago · The officially stated goals of the foreign policy of the United States of America, including all the bureaus and offices in the United States Department of State, as mentioned in the Foreign Policy Agenda of the Department of State, are "to build and sustain a more democratic, secure, and prosperous world for the benefit of the American people and the international community".
4 days ago · The Wahhabi movement started as a revivalist and reform movement in the Arabian Peninsula during the early 18th century, whose adherents described themselves as "Muwahhidun" (Unitarians). [a] A young Hanbali cleric named Muhammad ibn ʿAbd al-Wahhab (1703–1792 C.E/ 1115-1206 A.H), the leader of the Muwahhidun and eponym of the Wahhabi ...
