Which of the Following Is True About the Great Depression

Which of the following is true about the Great Depression?

A) The Great Depression re-enforces the view that raising taxes in the midst of a severe recession is a bad idea.
B) The Great Depression clearly indicates that a prolonged period of monetary contraction will keep inflation low and promote monetary stability.
C) The Great Depression illustrates that trade restrictions will protect domestic industry and save jobs.
D) The Great Depression demonstrates that the political incentive structure during a severe downturn will encourage politicians to avoid frequent policy changes.