The final fall of the Byzantine Empire was caused by attacks from the Ottomans.
The Byzantine Empire fell, and Islam spread into Eastern Europe. The Byzantine Empire fell in 1453. The main reason of its fall was a significant number of attacks made by the Ottoman Turks. In 1454, Constantinople finally surrendered to them.
B. The Federal Reserve System is responsible for our country's monetary system and responsibilities.
Before joining the effort, the US mostly supported by providing weaponry and technology. An example would be giving Britain ships and improving their naval forces. This was against their policy of isolationism so naturally the axis forces were angry.
1. relating to the natural world and the impact of human activity on its condition.
"acid rain may have caused major environmental damage"
2. relating to or arising from a person's surroundings.
"environmental noise"
