Humanity is moving into new Dark Ages because we are experiencing also growing social disintegration in all countries of the world, the increase in international conflicts and even the life survival threat in the planet resulting from catastrophic climate change in progress. The gigantic crisis of the world capitalist system and the decline of the US as hegemonic power economic and military associate the struggle of modern barbarians represented by the people of the peripheral capitalist countries seeking emancipation of spoliation exerted by the major capitalist powers led by the United States. The invasion of modern barbarians occurs with the presence in Western Europe and the United States of terrorist groups coming mainly from Islamic countries.