Just because you stalk carl and make a fanfiction about him helps me conclude it is A
Answer:
Diplomatic relations refers to the customary diplomatic intercourse between nations. It involves permanent contact and communication between sovereign countries. As a part of the diplomatic relations two countries send diplomats to work in each other's country and to deal with each other formally.
Simple...
a powerful ruler in Egypt?
--->>>Pharaoh
The ruler of the land...practically the king.
Thus, your answer.