Ahmad al- Mansur was the greatest ruler of this kingdom's Saadi dynasty, which was replaced by the Alaouite one.
None of the 867 children of a ruler of this kingdom was able to succeed him, partly because of the chaos caused when his Black Guard troops pillaged the country after his death. The mission of The Lion established an alliance between this kingdom and England, which sold this kingdom weapons for sugar. A legend states that a king who died fighting against this kingdom's forces called "the Desired" will rise to lead his country to its Fifth Empire. The Aviz dynasty fell from power when (*) Sebastian I was killed by forces of this kingdom at Battle of Ksar el-Kebir. Lineages descended from Muhammad who ruled this kingdom were called Sharifi. Ahmad al- Mansur was the greatest ruler of this kingdom's Saadi dynasty, which was replaced by the Alaouite one. For 10 points, name this kingdom whose "four imperial cities" included Fes and Marrakech.
None of the 867 children of a ruler of this kingdom was able to succeed him, partly because of the chaos caused when his Black Guard troops pillaged the country after his death.
Kingdom of Morocco [or al-Maghrib; or Marakush]