advances in weapons technology
51Early Modern warfare — is associated with the start of the widespread use of gunpowder and the development of suitable weapons to use the explosive. It was first invented in China and then later spread to the Middle East. It then found its way into eastern Europe… …
52Ancient history — Ancient redirects here. For other uses, see Ancient (disambiguation). The times before writing belong either to protohistory or to prehistory. Ancient history is the study of the written past [Crawford, O. G. S. (1927). Antiquity. [Gloucester,… …
53Technological and industrial history of the United States — The technological and industrial history of the United States describes the United States emergence as one of the largest nations in the world as well as the most technologically powerful nation in the world. The availability of land and labor,… …
54radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
55tactics — /tak tiks/, n. 1. (usually used with a sing. v.) the art or science of disposing military or naval forces for battle and maneuvering them in battle. 2. (used with a pl. v.) the maneuvers themselves. 3. (used with a sing. v.) any mode of procedure …
56List of conspiracy theories — The list of conspiracy theories is a collection of the most popular unproven theories related but not limited to clandestine government plans, elaborate murder plots, suppression of secret technology and knowledge, and other supposed schemes… …
57Pakistan — /pak euh stan , pah keuh stahn /, n. 1. Islamic Republic of, a republic in S Asia, between India and Afghanistan: formerly part of British India; known as West Pakistan from 1947 71 to distinguish it from East Pakistan (now Bangladesh).… …
58People's Liberation Army Navy — 中国人民解放军海军 People s Liberation Army Navy Active since September 1950 …
59F-22 Raptor — Infobox Aircraft name= F 22 Raptor type= Stealth Air superiority fighter national origin = United States manufacturers=Lockheed Martin Aeronautics Boeing Integrated Defense Systems caption= Two F 22 Raptors in column flight formation designer=… …
60Nazi–Soviet economic relations (1934–1941) — After the Nazis rose to power in Germany in 1933, relations between Germany and the Soviet Union began to deteriorate rapidly, and trade between the two countries decreased. Following several years of high tension and rivalry, Nazi Germany and… …
