Fortifications are military constructions and buildings designed for defense in warfare and military bases. Humans have constructed defensive works for many thousands of years, in a variety of increasingly complex designs. The term is derived from the Latin fortis ("strong") and facere ("to make").
Many military installations are known as forts, although they are not always fortified. Larger forts may class as fortresses, smaller ones formerly of...
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Fortification
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House
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