The bone of the arm (humerus) meets both the ulna (the inner bone of the forearm) and radius (the outer bone of the forearm) to form a hinge joint at the elbow. The radius and ulna also meet one another in the elbow to permit a small amount of rotation of the forearm.
The emigres were those who helped to spur on the revolution. People were tired of being poor and watching the royalty get richer without any work.
These refineries were then taken over by the Cuban government. The expropriation of U.S. property in Cuba and Cuba's alliance with the Soviet Union eventually led to the United States' breaking off all diplomatic relations and instituting an embargo. In 1971, the Chilean people elected a socialist president, Salvador Allende.