The correct answer is letter B.
Explanation: Totalitarianism is a political system characterized by the absolute dominance of a person or political party over a nation. Within totalitarianism, the ruling political person or party controls all aspects of public and private life through an openly authoritarian government.
Totalitarianism is also marked by the strong presence of militarism in society and is accompanied by actions by the regime to promote its ideology through a system of indoctrination of the population.