Seminar paper from the year 2022 in the subject Economics - International Economic Relations, grade: 1,3, University of Applied Management, course: Summer Symposium on US Foreign Policy, language: English, abstract: In this paper, I shall examine the alliance “NATO” and its strategic concept concerning the Ukraine conflict. Against this background, the central question that motivates this essay is: “Why has NATO's strategy changed during the Ukraine crisis?” To answer this topic, this scientific paper is based on the assumption that NATO’s strategy became more relevant in the Global Security Architecture with the beginning of the Ukraine war. Even though numerous articles have already been published on this topic framework, the work aim is to present NATO in detail, clearly and concisely, as well as to work out the current position of the alliance towards Russia and its possible future role. The results shed light on the upcoming relevance of the relationship between Russia and NATO. The thesis consists of three chapters, the first of which is the introduction. The main contents of the work are divided into the following four sections—the first deals with NATO's strategy before the Ukraine war began. Based on the history of NATO from its inception to the present, I highlight the development of its tactics. The focus of the second part is the strategy since the Ukraine crisis. Furthermore, I would like to point out how NATO's strategy changed over time and explain the differences and the reasons for that in the last section. Support is provided by selected literature, current news such as the Washington Post and the New York Times, and publications by renowned think tanks like the Hudson and Brooking Institute. Moreover, the group discussion about foreign policy from the Summer Symposium in Washington, D.C., is also used as a source. In the third chapter, I answer the hypothesis and research question with the help of the information provided. Finally, I conclude by underlining NATO’s upcoming role regarding Russia and giving an outlook on the future relevance of the subject.