Was considered a mediocre emperor and was killed by a member of his own guard.

a.
trajan
b.
constantine
c.
marcus aurelius
d.
commodus

Option D.

Explanation:

Commodus, is the right answer.

Commodus ruled the Roman empire with his father Marcus Aurelius until the death of his father and solely until 192. Lucilla, his sister conspired against him with a group of senators to kill him. The conspiracy abandoned, and Commodus took the revenge by executing several influencing senators. However, in the year 186, he was executed by his chief minister to appease the army.

the ottoman empire

the christian crusades: conquered constantinople in 1453 ce

alexius sultan of the ottoman empire

fall of avars   by ottomans ended byzantine empire

the ottomans made islammic   the primary religion in the region, replacing orthodox christianity. they did allow the practice of christianity