Explanation: Nkrumah espouses capitalism with state intervention in the allocation of investments and no small say in the economy, which basically describes a socialist economy. This idea best matches (D). Eliminate (A) because fascism was widely discredited in the years following World War II. Eliminate (B) because social Darwinism has little to do with economics at a fundamental level. Eliminate (C) because classical liberals believe the state should be involved in the economy as little as possible. Choice (D) is the answer.