Marx and Engels always adhere to the problem orientation of the situation policy view, its labor alienation, world history and economic crisis situation view, Human freedom and all-round development, anti-aggression people s war, class struggle, political party construction, United front, socialist localization and development of the times, and other policies and strategies reflect its adherence to the issue-oriented people, practice and scientific characteristics. It is of great significance for carrying out the thought of socialism with Chinese characteristics in the new era to understand th...