Nationwide blackouts, fuel shortages and food running out: Cuba is in crisis. The US has cut off oil to the Caribbean nation, including from Venezuela and Mexico, previously Cuba's two main oil suppliers. US-Cuba tensions are at boiling point after decades of animosity between the two: From the Cuban Revolution and the rise of Fidel Castro, to the US’ failure at the Bay of Pig Invasion and later, the Cuban Missile Crisis at the height of the Cold War, the thorny relationship between the