Answer:
A. were confident that their technology would destroy the Incans
Explanation:
The Spanish had a technology that was very superior to the Incan Technology. The Incas had a large empire, but technologically-wise, they were not even in the Bronze Age, since they did not know how to effectively manipulate metals.
The Spanish, on the other hand, had many iron weapons, and some firearms. They also had horses. Finally, they carried diseases for which the Incas did not have any antibodies, which caused the death of most Native Americans, including the Incas.
To protect the Spanish territory from the French :)
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.
The civilization of Olmec.
