stalin's first five year plan was created to increase the industrialization of russia from 1928 to 1933. how can this five year plan best be described?

a. stalin's first five year plan only worked on farms and villages, not in big cities.
b. stalin's first five year plan only made the poverty and starvation in russia much worse.
c. stalin's first five year plan was a huge success and was studied by other countries.
d. stalin's first five year plan increased food supply but created longer work hours.