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.
Geologic processes that shape the Earth are cyclical. Geologic processes are only similar in if they occur in the same area.
1.The stock market crash of 1929
2. Bank Failures
3. Reduction of purchasing across the board.
