Answer:
Cows saves money of the master.
Step-by-step explanation:
Cows has a great impact the labor practices from 1450-1750 because people used cows for tillage practices instead of labour in order to save their money. free labour refers to the slave people who work free for their master while the unfree labour refers to the labour which works on wages. In this period, free labour was used by the people for cultivation and harvesting of crops.