Final answer:
The arching region of early agriculture and civilization in the Middle East referred to in the question is Mesopotamia, situated between the Tigris and Euphrates Rivers and known as the 'Cradle of Civilization.'
Step-by-step explanation:
The arching region of early agriculture and civilization in the Middle East is known as Mesopotamia. This region, situated between the Tigris and Euphrates Rivers, is often deemed the "Cradle of Civilization" due to its rich historical contributions, including the emergence of cities such as Ur, Babylon, and Nineveh. Mesopotamia's strategic location and its advanced irrigation systems facilitated the growth of a sizeable farming community and enabled the development of complex urban centers.
The area was lush and fertile, earning the nickname the Fertile Crescent, which aptly describes the large, crescent-shaped zone rich in agriculture and human development that extends all the way to the Mediterranean Sea. This zone includes regions of modern-day Iraq, western Iran, and other countries in the Near or Middle East.
The answer to the question regarding the arching region of early agriculture and civilization in the Middle East is: A) Mesopotamia.