Given levels: A1, A2, B1, B2 and C1. Which cefr level would you assign to: "However, when the Soviet Union tried to restore its credit with the Arab world by rapidly replacing Egypt's severe losses, especially in combat aircraft, the United States took steps to become Israel's principal military supplier, a role from which General de Gaulle had withdrawn France, in disapproval of the war and in deference to France's interests in the Arab world."?
c1