Trench Warfare was a form of military conflict in which opposing sides fought one another from trenches facing one another. WW1 warfare introduced the first large-scale use of chemical weapons as well as bringing in airplanes and tanks for the first time.
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Constantinople was the center of Byzantine trade and culture and was incredibly diverse. The Byzantine Empire had an important cultural legacy, both on the Orthodox Church and on the revival of Greek and Roman studies, which influenced the Renaissance.
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Cambodia, the murders were commited by the Khmer Rouge.
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c it added a new form of way to the older days
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