Complex sentence: Since the 1950s, social scientists and feminist theorists have increasingly criticized the gendered division of work and care, and the male breadwinner role, and policies are increasingly targeting men as fathers, as a tool of changing gender relations.
Split into simpler sentences: Since the 1950s, social scientists and feminist theorists have increasingly criticized the gendered division of work and care and the expectation that the breadwinner role should be fulfilled by men. Policies are increasingly targeting men as fathers, as a tool of changing gender relations.