How did Keynesian economics go against laissez-faire economics?

What happens if the federal government makes cuts in healthcare spending

During the 1920s, the federal reserve increased the money supply and kept interest rates very low, encouraging consumer spending and the brisk borrowing of money. business investment and the expansion of businesses grew rapidly during the 1920 to meet the needs of this huge consumer spending. however, during the crash of 1929, the federal reserve reversed its expansionary monetary policy and cut off the money supply by almost 30%, causing banks to not have enough currency on hand when depositors wanted their hard-earned money. after reading the prompt, what can you surmise happened next that contributed to the great depression? a) black tuesday b) collapse of banks c) high unemployment d) election of franklin d. roosevelt

French people suffered under the monarch so they revolted and set up new forms of government. this government gave people the right to voice their concerns. which form of government did the french set up?