What forces contributed to the fragmentation of the Islamic world in the 10th and 11th centuries, and what forces held it together?

Shiite(bloodline to the prophet(Muhammad's daughters husband))

and suni(Ummian followers (Muhammad's disciples and then their disciples)). split and their continuing fragmented but the fact that people wanted to b under islamic rule grew it and its efficiency

Explanation:

the ss was the main organization responsible for the genocidal murder of around six million people of european ethnic minorities, essentially jews, in the holocaust. the members of all its branches committed war crimes and crimes against humanity during the second world war (1939-1945). likewise, the ss were involved in commercial enterprises and exploited the inmates of the concentration camps as slave laborers.

the tortures and assassinations committed by the ss were the result of an ideology developed long before the armed conflict, this ideology was based on the racial supremacy of the germans over the rest.

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.