Ẩn Dụ Trong Tuyên Ngôn Độc Lập Của MỹMetaphor is one of the most complex and powerful tools of language and hence gets a section all to itself. It is widely used in different types of text like literature, science, journals, advertisement, religion, politics or everyday language. The use of metaphor as a part of figurative language aims to help the listeners to visualize what is meant by a phrase or expression. It is seen everyday and every time by almost everybody. In fact, politicians use language to persuade people that their thoughts, aims and ideas are equitable and to make their point clear and vivid to the people. It is proved that the use of metaphor is one of the most prominent tools for persuasion and an effective instrument for propaganda in political language. Commenting on the important role of metaphor, George Lakoff and Mark Johnson (1980:3) state that ―metaphor is pervasive in everyday life, not just in language but in thought and action‖ Luận văn thạc sĩ ngữ văn Chuyên ngành Ngôn ngữ Anh Người hướng dẫn: Nguyễn Hương Giang Tác giả: Nguyễn Thị Thanh Bình Số trang: 75 File PDF-TRUE Ngôn ngữ: Tiếng anh Trường ĐH Ngoại Ngữ Hà Nội 2012 Link download http://dlib.vnu.edu.vn/iii/cpro/DigitalItemViewPage.external?sp=1014729 https://nitro.download/view/49B2E291128BB20https://drive.google.com/drive/folders/1yLBzZ1rSQoNjmWeJTM6cEZ3WGQHg04L1