It's important to recognize that the intended impact of the murderous US blockade of Venezuela isn't just regime change, but also forcing the Chavista government to liberalize the economy, privatize state institutions, allow in foreign capital, and adopt the dollar (thread below)

Venezuela's economy has been almost entirely dependent on oil for 100 years. This is a problem going back many decades before Chavismo.

This made it very susceptible to being hurt by US sanctions, which expanded into a full economic blockade that has killed 10,000s of civilians.

The US economic war on Venezuela -- through blockade, sanctions, attacks on the currency, hyperinflation, blocking oil exports in an oil-based economy, and internal sabotage and hoarding by right-wing oligarchs who still dominate import-heavy industries -- forced it to dollarize.

Inflation in Venezuela is complicated, but there has been a sustained economic attack on the currency, called the bolívar, by the USA and right-wing Venezuelan capitalist oligarchs who use websites to create a black market rate which drives up the exchange rate many times per day

The US blockade and sanctions, inability to export oil and get access to foreign currencies, and internal sabotage by right-wing opposition - which uses the black market rate to drive up insane inflation - forced President Maduro to legalize the US