 Umar also introduced child benefit for the children and pensions for the elderly.When he felt that a governor or a commander was becoming attracted to wealth or did not meet the required administrative standards, he had him removed from his position.The expansion was partially halted between 638–639 during the years of great famine and plague in Arabia and Levant, respectively, but by the end of Umar's reign, Syria, Egypt, Mesopotamia, and much of Persia were incorporated into the Islamic State.