The answer is A.) desert. The Fertile Crescent's name derives from it's prehistoric fertility. As of right now, the Fertile Crescent is not substantially fertile. This terrain of land extends from the eastern coast of the Mediterranean Sea to the Syrian Desert down to the Persian Gulf .
The Fertile Crescent is well known for its rich soil, annual floodings which dropped rich black soil around the rivers creating farmland, its Irrigation systems that were built to control flooding to make land productive, and the life giving rivers.
There were not volcanoes located in the Crescent nor were there rift valleys. Rift valleys are located on the ocean floor. A desert was located below the Crescent. The answer definitely wouldn't be (B. Savannah because, well, savannahs are defined by there plentiful amount of trees and grasslands. I wouldn't define the Fertile Crescent's ancient environment as having a superabundant of tree life. Yes, they did have some trees, but not a whole lot. Don't let the name "Fertile" trick you.
The Fourth Crusade was launched by the "Catholics" against Constantinople, since the initial intent of the crusaders had been to take back what was the Muslim-controlled Jerusalem.
The scapegoats—outsiders, immigrants, minorities, 'deviants'—are then persecuted, enabling the scapegoaters to discharge and distract from their negative feelings, which are replaced or overtaken by a crude but consoling sense of affirmation and self-righteous indignation.