Matos had opposed Batista since the general 's effective coup in 1952 , which he regarded as unconstitutional , but became increasingly critical of the movement 's shift towards Marxist principles , and closening ties with leaders of the Communist Party of Cuba ( PCC ) .
He was against Batista since the general 's effective coup in 1952 , which he called unconstitutional , but became more critical of the movement 's shift towards Marxist principles , and closing ties with leaders of the Communist Party of Cuba ( PCC ) .