1.Why did Muslims need to appoint a "caliph" or successor after the death of the Prophet Muhammad? 2. What was the major lasting impact of the Crusades on the Muslim world?

1.)A monarch known as the "caliph," which means "successor," headed the Caliphate. The caliph was the Muslim world's religious and political official, and was considered the Prophet Muhammad's heir. When did it all start? After Muhammad's death in 632 CE, the Caliphate was established.

Explanation:

we can argue that appeasement caused world war ii because it allowed hitler and the nazis to build germany’s military power until it was strong enough to fight a major war. additionally, appeasement emboldened germany, making it think the allies would never have the will to fight. this made germany much more aggressive and encouraged it to take the steps that eventually led to war.