D. They trapped landowners in poverty for generations
Bartering and raiding. They never had a merchant system.
France and Germany. That was the last war.
Answer:
C: Crowned the new Roman Emperor
Explanation:
In 800, Pope Leo III (750-816) crowned Charlemagne emperor of the Romans. In this role, he encouraged the Carolingian Renaissance, a cultural and intellectual revival in Europe.
Basically the reason why Vietnam won because the Vietnamese wanted to win more than the Americans did. There were a couple of reasons for this. First, the Americans were an invading force, and the Vietnamese were fighting on their own soil. Second, the Americans were not willing to make an all-out commitment to win.