Complex sentence: Prominent members of the GLF also opposed and addressed other social inequalities between the years of 1969 to 1972 such as militarism, racism, and sexism but because of internal rivalries the GLF officially ended its operations in 1972.
Split into simpler sentences: Prominent members of the GLF also opposed and addressed other social inequalities between the years of 1969 to 1972 such as militarism, racism, and sexism. Due to internal conflicts of interest within the organization, the GLF officially ended its operations in 1972.