Who were the main proponents of economic justice in the 1930s and what measures did they advocate?

In the 1930s, key proponents of economic justice included figures like Franklin D. Roosevelt, who championed the New Deal, and economists such as John Maynard Keynes. They advocated for measures like social security, labor rights, public works programs, and regulations to stabilize the economy and reduce inequality. These policies aimed to address the hardships of the Great Depression by providing relief, fostering economic recovery, and promoting social welfare. Additionally, activists from labor unions and various social movements pushed for reforms to secure workers' rights and improve living conditions.