Explain what is tightening and why perhaps that is an unpopular move?

Answer in 200 words.

The Federal Reserve, like many other central banks, is an independent government agency but also one that is ultimately accountable to the public and the Congress. Examples of the Fed autonomy are the long term served by each member of the board. Should the autonomy of the Federal Reserve System be preserved? Discuss the arguments for and against. and how the autonomy of the federal reserve system be preserved? and what is the connection? For example- you must add the connection why the independence of the Fed would ensure that inflation can be done with tightening. Explain what is tightening and why perhaps that is an unpopular move?

The argument against it that fiscal policy might be different than monetary policy seems interesting – but how does it lead to recession?