2. The office of the leader of an Islamic polity, regarded as a successor of Muhammad and by tradition always male.

Sunnis believe that Muhammad had no appointed successor and had instead intended that the Muslim community choose a leader from among themselves.

Explanation:

sharecropper (you may punch em in the face if im wrong lol)

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.