What Was the Goal of the Various Types of Welfare

What was the goal of the various types of welfare states that were introduced throughout Europe?

A) to provide support to families headed by women widowed by fatalities during World War II
B) to maintain the prosperity of those who lost their jobs to more skilled immigrants who had fled oppression in communist countries
C) to reduce extreme disparities in well-being that had been made worse with industrialization
D) to prevent collusion between national labor unions and their corporate employers