Why was the Fertile Crescent so narrow?

Explanation:

Named for its rich soils, the Fertile Crescent, often called the “cradle of civilization,” is found in the Middle East. Irrigation and agriculture developed here because of the fertile soil found near these rivers. Access to water helped with farming and trade routes

cultural history is your answer

lend lease program was passed by congress on march 11, 1941. the president could ship weapons, food, or stuff to any country whose struggle against the axis assisted u.s. defense