He is trying to find things that interest him, he isn't trying to find things that isn't going to interest him.
( to be honest I don't know hope this helps )
The answer to your question is D.
Not sure but i am going to guess construction, farming, and medical
Answer: For most of the Middle Ages, the Roman Empire was unquestionably the most politically and militarily powerful country in all of Europe.
Explanation: I hope this is right