Answer:
c. 20th
Explanation:
Fascist ideology arose as a result of an effort to diminish the increasing influence of the socialist and communist movements in the 20th century.
The extreme right and the conservatives joined to back up fascism in Italy, with the Kings giving Mussolini power and in Spain monarchs did so in a similar way.
The impact started from 1915 until the late and middle of 20th century.
For Spain Franco remained in power long after the WW2 as this country was not directly involved in the international conflict, it rather secured its ideology after winning to the Republican the Spanish civili war.
