Protect+by+fortifications
21Trench warfare — is a form of warfare where both combatants have fortified positions and fighting lines are static. Trench warfare arose when a revolution in firepower was not matched by similar advances in mobility. The result was a slow and grueling form of… …
22Martello tower — A Martello tower at Clacton on Sea on the east coast of England. Martello towers (or simply Martellos) are small defensive forts built in several countries of the British Empire during the 19th century, from the time of the Napoleonic Wars… …
23African military systems to 1800 — refers to the evolution of military systems on the African continent prior to 1800, with emphasis on the role of indigenous states and peoples within the African continent. Patterns of the military art generally moved from the simple to the more… …
24fortification — /fawr teuh fi kay sheuhn/, n. 1. the act of fortifying or strengthening. 2. something that fortifies or protects. 3. the art or science of constructing defensive military works. 4. Often, fortifications. military works constructed for the purpose …
25Bunker — This article is about the military fortification. For other uses, see Bunker (disambiguation). Bunkers in Albania A military bunker is a hardened shelter, often buried partly or fully underground, designed to protect the inhabitants from falling… …
26Battle of Shanghai — Infobox Military Conflict conflict=Battle of Shanghai partof=the Second Sino Japanese war caption=A National Revolutionary Army machine gun nest in Shanghai date=August 13, 1937 – November 26, 1937 place=In and around Shanghai result= Japanese… …
27military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
28Franklin–Nashville Campaign — Map of the Franklin Nashville Campaign   Confederate …
29Motte-and-bailey — A motte and bailey is a form of castle, with a wooden or stone keep situated on a raised earthwork called a motte, accompanied by an enclosed courtyard, or bailey, surrounded by a protective ditch an …
30Walls of Constantinople — Istanbul, Turkey Map showing Constantinople and its walls du …
