This has been part of US plans for decades.
Sanctions are warcrimes and the US has been punishing civilians and causing their death and suffering since the 60s.
"...every possible means should be undertaken promptly to weaken the economic life of Cuba. If such a policy is adopted, it should be the result of a positive decision which would call forth a line of action which, while as adroit and inconspicuous as possible, makes the greatest inroads in denying money and supplies to Cuba, to decrease monetary and real wages, to bring about hunger, desperation and overthrow of government."
Secretary of State, USA, 1960.
Source: https://history.state.gov/historicaldocuments/frus1958-60v06...