What are the features of the 20th century? Why can't it be called the Age of Enlightenment? What are the causes of the crisis of communist ideology? How to explain and understand the unique history of Russia? Was socialism built in our country? What causes the global problems of our time, the aggravation of interethnic conflicts, the contradictions of scientific and technological progress? What changes are taking place today in economics, politics, art, religion, in our worldview? Will humanity perish from reason? You will find answers to the questions posed in this book.