Answer: A. I think hope it is right
The First Crusade is initiated when Byzantine Emperor Alexius Comnenus requests help in reconquering from the Seljuk Turks the lost territory of Asia Minor . Pope Urban II at the Council of Clermont calls upon the princes of Christendom for an armed “pilgrimage” to recover Jerusalem from the Muslims.
Answer:
A television documentary-secondhand
A Letter -Firsthand
An interview-Firsthand
An article-Secondhand
Explanation:Trust