They all look good to me. All of your answers is what I would have chosen. :)
I wish there were any answer choices if there were any but the answer is - to define the purpose of the essay and show whos point of view it is.
Feudalism helped protect communities from the violence and warfare that broke out after the fall of Rome and the collapse of strong central government in Western Europe. Feudalism secured Western Europe's society and kept out powerful invaders. Feudalism helped restore trade. Lords repaired bridges and roads.
I believe "vehement" is the correct answer. It means that it shows strong, powerful, passionate speech and tone.
It shows the importance of family and community in rural areas
