Nationalists (aided by fascists) and republicans (aided by many, including communists) waged a civil war against each other during the mid-to-late 1930s in what country?
a)germanyb)italyc)mexicod)spain

Nationalists and Republicans waged a civil war against each other during the mid-to-late 1930s in Spain.

Option D

Explanation:

The civil war that took place in Spain in the year of 1936 till 1939. This war was against the nationalists and the republicans where the nationalists had got the support in form of soldiers and the air support from Nazi in Germany and the republican had got support from the Soviet Union and Mexico.

This war was seen as the war between the democracy and the republicans and a war of the religions or a war of class because of the various facets that the war between these two groups had.