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1: The Study of IR and Recent History

International Relations: Politics, Power, and Global Connections · LibreTexts

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    From LibreTexts, under CC BY-NC 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    Introduction

    The academic discipline of International Relations (IR) emerged in response to the need for a systematic study of global interactions, especially in the wake of significant historical events that reshaped the world order. A key historical milestone that laid the groundwork for the modern state system and, consequently, the study of IR was the Treaty of Westphalia. This treaty, along with subsequent developments, played a pivotal role in shaping the principles that continue to guide international relations today.

    Learning Objectives
    • Outline the major historical developments that have shaped the contemporary international system.
    • Recognize the impact major historical developments have had on global politics and IR as a discipline.

    • 1.1: The Treaty of Westphalia
      Explains the Treaty of Westphalia, signed in 1648, which ended the Thirty Years' War and established state sovereignty and territorial integrity. It marked the transition to the nation-state as the main political unit, reducing the influence of empires and religious institutions. The treaty also laid the groundwork for modern diplomacy by promoting equal sovereignty among states, regardless of their size or power, thus becoming a cornerstone of contemporary international law.
    • 1.2: Post World War I
      Details the establishment of International Relations (IR) as an academic discipline following World War I, emphasizing the desire to prevent future conflicts. It highlights the creation of the League of Nations in 1919 for promoting peace and collective security, albeit with the US's absence. Furthermore, it notes the founding of the first IR department at the University of Wales in 1919, marking the beginning of formal IR education that quickly grew in subsequent years.
    • 1.3: Interwar Period
      Discusses the growth of International Relations (IR) studies during the interwar period, highlighting challenges like skepticism towards international institutions and the rise of authoritarianism. It notes the flourishing of academic journals and global conferences focusing on diplomacy and disarmament, while also acknowledging the adverse impact of fascism and economic instability in the 1930s, which led to criticisms of the League of Nations and a reevaluation of IR principles.
    • 1.4: Post World War II
      Explores the post-World War II transformation in International Relations (IR), highlighting the establishment of the United Nations in 1945 as a key factor in promoting global cooperation and shaping IR studies. The Cold War period further emphasized security and diplomacy, leading to greater academic institutionalization of IR. It notes the expansion of IR programs, particularly in the U.S. and Europe, and points out the founding of the first U.S.
    • 1.5: Late 20th Century
      Discusses the evolution of International Relations in the late 20th century, highlighting the impact of global challenges like environmental issues, human rights, and economic globalization. It notes the shift from a bipolar to a multipolar world following the Cold War's end, which prompted a reassessment of IR theories.
    • 1.6: 21st Century
      Explains the transformations in International Relations in the 21st century, highlighting the impact of globalization, technology, and shifts in power. It notes the dual nature of globalization, presenting both challenges and opportunities in trade and migration. Technological advancements, including cybersecurity and social media, now shape state relations.
    • 1.7: Conclusion
      Outlines the evolution of International Relations (IR) from early 20th-century roots, influenced by the Treaty of Westphalia and World War I, to its modern emphasis on globalization and changing power dynamics. It critiques the Eurocentric perspective and acknowledges pre-Westphalian global politics.
    • 1.8: Deeper Dive- Historical Background
      The contemporary international system originated as European states transitioned from medieval overlapping jurisdictions into sovereign entities, eventually establishing the "Westphalian" norms of territorial integrity and formal equality. This European model became the global standard after the 19th-century rise of the nation-state and subsequent 20th-century decolonization, creating a universal order characterized by political anarchy and persistent competition.
    • 1.9: Glossary
      Covers essential topics in International Relations (IR), focusing on authoritarian regimes, the Cold War, and the importance of cybersecurity. It examines roles of diplomacy, disarmament, globalization, and non-state actors, alongside historical agreements and organizations like the UN and WTO. Key issues such as migration, economic instability, terrorism, and multilateralism in global politics are also highlighted.
    • 1.10: Additional Readings
    • 1.11: Discussion Questions
      Outlines the Treaty of Westphalia's principles of state sovereignty and non-interference, major developments post-WWI and WWII like the League of Nations and United Nations, and contemporary challenges such as globalization and security threats. It also discusses the evolution of International Relations, influenced by historical events including colonialism and de-colonization, underscoring their impact on the modern international system.

    Thumbnail: Political World Map by the Library of Congress is licensed CC0 1.0

    This page titled 1: The Study of IR and Recent History was last modified on Thu, 27 Aug 2026 00:20:07 GMT and is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Robert Stockwell.