"Cutting off oil essentially to Cuba... squeezing the country against its oil is starting to have impacts." Cuba relies almost entirely on imported oil, primarily from Venezuela. For the US to successfully "cut off" this oil, it must aggressively enforce sanctions on Venezuelan shipments (PDVSA) and the shipping vessels facilitating this trade. This implies a crackdown on Venezuelan energy exports, hurting their revenue generation and debt repayment capacity. SHORT/AVOID Venezuelan assets and state oil company debt (PDVSA) as enforcement tightens. A sudden diplomatic thaw or regime change in Venezuela allowing legal exports.