The correct answer is option C "He wanted to free peasants to work in the factories". Collectivization in agriculture was introduced in the Soviet Union by general secretary Joseph Stalin in the late 1920s, and was pursued most intensively between 1929 and 1933. This practiced helped to boost agriculture in Soviet Union and reduced the power of the kulaks (prosperous peasants), while the bednyaks (poor peasants) were able to work in the farms and not work in the factories like the used to do.