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
History of the world Union, which expanded eastward to include former Soviet-satellite countries. The European Union's effectiveness was handicapped by the immaturity of its common economic and political institutions, somewhat comparable to the inadequacy of United States institutions under the Articles of Confederation prior to the adoption of the U.S. Constitution that came into force in 1789. Asian, African, and South American countries followed suit and began taking tentative steps toward forming their own respective continental associations. Cold War preparations to deter or to fight a third world war accelerated advances in technologies that, though conceptualized before World War II, had been implemented for