Hugo Chavez is using Venezuelan oil revenues to purchase billions of dollars in Russian arms. He's taking 24 advanced Russian fighter jets. From his perspective, he's being pushed into it due to the obvious threat that the U.S. Navy is presenting. The U.S. is starting up the 4th Fleet again which fleet had a long history of gunboat diplomacy against Latin Americans who didn't want to knuckle under to U.S. capitalist-imperialists.
It is a sad state of affairs. Weapons are evil. Violent coercion is evil. Improving the lives of the poor is better than the superrich using such violent coercion against the poor to keep them down. When will the rich learn?