Text: Many were eventually able to buy the land they had been farming, and over time grand manors came to replace the more humble farmhouses earlier generations of yeomen had occupied.
Entailment: Many eventually were able to buy the land they had farmed, and over generations grand manors replaced the farmhouses of the yeomen.
Contradiction: Few yeomen farmers were ever able to purchase the land which they worked keeping them and their families in a constant state of poverty.