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While much of the surviving medieval architecture is either religious or military, examples of civic and even domestic architecture can be found throughout Europe. Examples include manor houses, town halls, almshouses and bridges, but also residential houses.
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753-351 bc Roman -etruscan
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The Aztecs were famous for their agriculture, cultivating all available land, introducing irrigation, draining swamps, and creating artificial islands in the lakes. They developed a form of hieroglyphic writing, a complex calendar system, and built famous pyramids and temples.
It was "Austria-Hungary’s invasion of Serbia" that was one of the military actions that led to the start of World War I, since this was a blatant violation of sovereignty.