What strategy does McCollum use to distinguish his position from Stalin’s?

Explanation:

McCollum distinguished his position from Stalin's mainly by his actions that focused on growing industrial production and making good on the promises left behind by Stalin. By increasing both personnel and of agricultural quality he was able to increase production which in term led to the increase in industrial production in 1952 which was almost double the level of 1941

the answer for 3 is b and the answer for 4 is d

the answer is c. hope is