Answer:eviction of tenant farmers
The increased use of machinery and the growing demand for wool
Some of the responsibilities of vassals for the lord included: Maintain the Lord's manor...Watch over day-to-day activities...And occasionally help advise the king on simple matters of the land.
The most recognized cause for the American Civil War is the conflict over slavery: the North found slavery unacceptable and wanted to abolish it, while the South needed slavery to be continued as their economy depended on it: they had plantations which required a lit of work and the plantations were more profitable if they didn't have to pay for this work.
