Discuss the 4 causes of the great depression. which of the 4 would be the most effective?

The four major causes of the Great Depression were the stock market crash in 1929, bank failures, over-production and drought.

The most effective: stock market crash in 1929

The 4 causes of the great depression were the Stock market crashing, bank failures, the drought and over production of people and machines.

The most effective was the stock market crashing.

Hope this helps!

i think the answer is b.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.