King Ezana of Axum strengthened ties with the Mediterranean world by

a.
converting to Christianity.
b.
making a hajj to Mecca.
c.
observing Jewish holidays.
d.
following traditional religious beliefs.

The answer is A converting to Christianity

Explanation:

b. germany and italy

both believe in many god or polytheism

both built temples that they worshiped in both civilization's god were humanoid

both groups made religion a large portion of their lives

both believe in one religion throughout

the dead were buried with items for the afterlife