Answer:
Muslim forces repeatedly attacked the Christian Byzantine Empire.
In 1453, Constantinople fell to the Ottoman Empire. The city was renamed Istanbul
Explanation:
The crusades were arguably started because of the constant attacks of the Muslim forces on the Byzantine Empire. The Byzantine Empire is the medieval version of the Eastern Roman Empire, and as explained in the question, it was a christian state.
In 1453, after a long siege, the Seljuk Turks conquered Constantinople, which had been the Eastern Roman Empire for over 1,000 years. After the conquest, the Turks changed the name of the city to Istanbul.
They could not have grown crops from the fresh wet soil and they couldn't travel along the river as good.
D is the answer I hope this helps
The Ancient Mayans developed the science of astronomy, calendar systems, and hieroglyphic writing. They were also known for creating elaborate ceremonial architecture, such as pyramids, temples, palaces, and observatories.
Because he thought that they would help pull out of the great depression hope this helps
