Russia helps its people come home. It is hard to get fuel for planes. This is a big fuel problem in Cuba.
Planes have problems. One plane flies only to Moscow. This helps Russians go home. The leaders told people not to travel. The Russian helpers are helping people.
Cuba has no fuel. This makes life hard. Going places is also hard. Russia will send oil to Cuba.
Some people think the US does this. The US has a strong rule for Cuba. They stop fuel for Cuba. The US stopped fuel from another place. They tell countries not to help Cuba.
The US wants to make things hard. This makes things hard for people. Cuba has a hard fuel time.