Looking a little more closely at the lithium thing, it doesn't appear that this "coup" occurred in response to Bolivia deciding to cancel its lithium trade arrangements.
They have had an ongoing issue with lagging lithium production and were taking bids from many countries, both Asian and European, to invest in their production. Most companies decided the risks of nationalization were too great.
cit
A German company gave it a try, and Morales reneged on the deal.