The fed expanded its balance sheet from less than $1 trillion in 2008 to over $4 trillion in 2016, practically dumping $3 trillion into the economy for all intents and purposes. What was the effect of that on crashing the dollar/making it worthless[0]?

[0] https://www.cnbc.com/2017/11/24/the-fed-launched-qe-nine-yea...