Which best describes peasant life in fifteenth-century russia?

a) serfdom in russia continued after it had died out in western europe, and most peasants were serfs who were legally bound to the land and led miserable lives.

b) serfdom lasted much longer in russia than in western europe, but most serfs were fairly-paid peasants who could move around the country freely.

c) serfdom in russia ended at about the same time it did in western europe, leaving a large population of peasants who were relatively well-off.

d) most russian peasants were serfs by the time of ivan iv, but under his rule they were largely debt-free and lived comfortable, but hard-working, lives.