Which group most threatened the byzantine empire in 1050? ottoman turks muslim arabs latin christians orthodox christians

Explanation:

From the eleventh and twelfth hundreds of years onwards, the Byzantine clashes moved into the Byzantine-Seljuk wars with the proceeding Islamic intrusion of Anatolia being assumed control by the Seljuk Turks.  

After the thrashing at the Battle of Manzikert by the Turks in 1071, the Byzantine Empire, with the assistance of Western Crusaders, restored its situation in the Middle East as a noteworthy power.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.