B. A world history textbook. It is not a source of when the incident occurred, such as the others.
One of the major impacts of the Concordat of Worms was that "<span>The pope recognized Henry V as the lawful emperor," since this brought to an end the major conflict that had existed between the Catholic Church and Emperors in the East. </span>
The first diplomatic crisis was between France and The United States.
Aircrafts,pipers,cars,missles,and weapons I think
I think its C.) but i may be wrong