I need help with understanding the following: What actions or what policies were actioned by the Federal reserve to help mitigate the Banking Industry Crisis Bailout of Commercial and Investment Banks. Help me to understand which one of the following actions was the most effective.

• Quantitative easing
• Purchase of toxic assets from financial institutions
• Paying interest on reserve balances

Can you provide any reference material that could support the following questions? I just need to be pointed in the right direction.