Increased expenditure and a widening of what was considered to be the state's responsibility. In addition to the central services of education, health, unemployment and sickness allowances, the welfare state also included the idea of increasing redistributive taxation, increasing regulation of industry, food, and housing (better safety regulations, weights and measures controls, etc.)
Although it unfortunately has been forgotten by many, Jesus preached a message of peace and cooperation, most notably embodied in the phrase" love thy neighbor". It spread because people were refreshed by his words.