World communism ideology could not admit that, to counter the influence of capitalist countries. It also supported revolutionary socialism around the world to continue to work toward world communism, however distant it might be. Thus it backed the 26th of July Movement in the Cuban Revolution, the North Vietnamese in the Vietnam War and the MPLA in the Angolan Civil War. The domino theory of the Cold War was driven by this intent as anti-communists feared that isolationism by capitalist countries would lead to the collapse of their self-defense. The reform and opening of China and the restructuring and openness of the
Sovereignty of Puerto Rico during the Cold War in the onset of World War III in October 1962. Afterwards, the United States hardened its influence throughout Latin America, involving itself in what became known as the "Dirty War", a process that involved questionable actions including supporting or overthrowing governments depending on political leaning, supporting subversive groups such as the Contras with weaponry and funding, or participating in controversial operations such as Operation Charly and Operation Condor. The fallout from these actions affect Latin America–United States relations to this day. Having been annexed from Spain in 1898, the unincorporated territory of Puerto Rico represented a paradox during the Cold