What are your questions ?
These books are called Period pieces
The correct option is D
The crusaders were Christian soldiers, mainly from Western Europe, who participated in some of the crusades in the Middle Ages. The name derives from the custom of sewing or painting a cross on their clothes (hence the expression "take the cross", which indicated those people who left to participate in the crusades). The term "crusader" did not begin to be widely used until the fifteenth century, since previously these were considered as armed pilgrims.
The best answer for this question would be:
C) To acknowledge primary documents are without bias.
<span>History has been recorded ever since the beginning of time, it is important to look into the primary documents in history and to understand each perspective. Understanding history means, not being biased with the basis of your understanding, every era has a reason why those events had happened.</span>
