A.) Poison Gas is the answer
Answer:
The government had stayed out of the economy for a while. This lack of regulation caused the stock market to crash, excessive use of create, overproduction of consumer goods, a weak farm economy, etc. The tarrifs were also very high. The government had to intervene in order to balance the economy and help many Americans by balancing the distribution of income.
CO would be Carbon Monoxide
D it wAs was the lack of congress support