Which of the following systems of government is authoritarian in nature?

A.

Capitalist system

B.

Fascism

C.

Republicanism

D.

Constitutional Monarchy

Correct answer is B

Fascism is a form of far right-wing, authoritarian ultranationalism characterized by dictatorial power, forcible suppression of opposition, and strong regimentation of society and of the economy 

Fascism is a form of government which is a type of one-party dictatorship. Fascistsare against democracy. ... Fascism puts nation and often race above the individual. It stands for a centralized government headed by a dictator.