By the High Middle Ages (about 1000 CE), feudalism was completely developed and the Europeans benefitted from it. Feudalism established a strong social order that provided protection and safety. Under feudalism, Europeans were linked to each other with promises which helped both parties, up and down in the hierarchy. The feudal system was just like an ecosystem - without one level, the entire system would fall apart.
Well, the Quartering Act required colonists to house and quarter British troops. It would not be C, B, A, or D. At least from all the knowledge I know.
