Can you help with the following questions related to monetary policies. This is about macroeconomics. Thank you.

Please answer in the same order, clear and understandable. Note: Please read additional comments. A. Please carefully explain monetary policy, its performance, and its effects on short and long-term economic fluctuations. In your answer, use the aggregate supply and demand model as an example to answer the question by words. B. Please explain all the mechanisms that exist in expansionary monetary policy and contractionary monetary policy. C. Please carefully express the impacts of the monetary policy, expansionary and contractionary, with respect to income and the magnitude of prices. D. Please read the premise below and answer the following: Please argue regarding the intervention of monetary policy as instruments to promote the growth, sustainability, and economic stability of a nation. Important: add an example in your answer. Premise: With respect to a destabilization of economic growth caused by a recession or accelerated inflation, the federal reserve uses the open market operation to increase or reduce the available reserves of commercial banks which, in turn, will affect the amount of money accessible in the economy. Along with the operation of the free market, the federal reserve has other mechanisms available to promote the growth, sustainability, and economic stability of a nation. These mechanisms have been used in a traditional way. One example provided was the 2008 mortgage debt crisis