<span>Disease and pollution: improper sewage disposal, contaminated drinking water triggering epidemics of typhoid fever and cholera; fires; overcrowding; and jobs where the causes of urban living in the late 1800s</span>
Well the Byzantines' capital of Constantinople was almost completely surrounded by water. This gave them the advantage in anyone tried to invade them. They also built a large wall all around the city with protected the people from outsiders. They also invented Greek fire, which was fire that could not be put out by water. This was extremely useful to attack ships. They also put large chains in the water to prevent ship from getting through.
Later crusades marched to Egypt to <span>support the Kingdom of Jerusalem by targeting the danger.</span>
Issues resonate across cultures because of their different beliefs and practices. this causes arguments in what is right and wrong when it comes to religion.
