Well its all due to Green house gasses produced through factories and automobiles, with the abundance of the world, driving, fly, and burning gas and oil on the whim we are playing a major role in this and unless a new technology that can surpass oil and natural gas we are slowly killing ourselves and the world.
On May 29, 1453 CE, Constantinople fell to the Ottoman Turks and the Byzantine Empire came to an end. Hope this Helps!
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Bangui, city, capital of the Central African Republic, located on the west bank of the Ubangi River. It is connected by an extended 1,100-mile (1,800-km) river-and-rail transport system with Pointe-Noire on the west-central African coast and with Brazzaville (both in the Republic of the Congo).
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