The Byzantine Empire fell in 1453. The immediate cause of its fall was pressure by the Ottoman Turks. The Ottomans had been fighting the Byzantines for over 100 years by this time. In 1454, Constantinople finally fell to them and their conquest of the Byzantine Empire was complete<span>.</span>
Answer:
The answer is b. U.S manufacturer hiring a company in India to provide customer service.
I would say the answer is C because countries need to protect their own food from intruders
