Why was the leftist side divided in the spanish civil war?

After the formation of the Communist International in 1919, there was a growing fear of communism within Spain and growing repression on the part of the government through military means. The PSOE split, with the more left-wing members founding the Communist Party in 1921.

answer; i believe the correct answer is (favorable balance);

when people started to question traditional christian beliefs, they became criminals in the eyes of the church: they were accused of heresy and then, executed. the church held unbelievable power and anyone who tried to defy it or its beliefs, was demonized and persecuted.

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