The article indicates the disappearance of Christianity in Europe. The article refers to Christian hope as an inspiration and motivation to undertake evangelization activities. The article contains references to popes who see help for secularized Europe in Latin America and the people of this continent. The text emphasizes the importance of culture in experiencing religion and building relationships with God. It signals that re-evangelization is needed in modern Europe, which will lead to the rebuilding of Christian identity. The text also emphasizes that Christianity is a religion for everyone, and Christian teaching should be uniform.

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The article is an analysis and presentation of the overview of economic systems to which the popes of that time referred in their documents, most often in encyclicals. The article presents the image of society in the economic and social perspective as well as interpretations and comments on a specific system, which were included in the papal encyclicals. The article is a presentation of how popes in encyclicals responded to the emerging changes in the political system and new economic ideas.