The duties of knights and nobles clearly show the importance
of warfare in the Middle Ages due to the fact that there main objective is to
serve in the battle. The knight was
expected to be trained for a war and display courage during the battle and
serves their loyalty to their lords while nobles are tied to farming which provides food to the empire.
The last one because he conquered the Persians empire.
Hope this helps :)))
At the start of World War 2, America is the country that maintained the isolationist policy.
Ngo Dinh Diem was a Vietnamese president from 1955 to 1963, in 1963 he was assassinated with his brother Ngo Dinh Nhu.
Hope that helps
