iscuss (effectiveness and the impact) of monetary as well as fiscal policy during a recessionary gap under Keynesian,Monetarist, and Classical economic?

1-Discuss (effectiveness and the impact) of monetary as well as fiscal policy during a recessionary gap under Keynesian,Monetarist, and Classical economic?
2-Consider the US,Japanese and Greek economice during the past eight years and explain (Macroeconomic Policies )that they have employed for thire economic.In your opinion have those policies been effective in achieving the stated goals?
3- Makeup a question related to macroeconomic or microeconomic that is comparable to the ones above and answer the question.Explain why the question is important and why it is comparable to the ones above ?