Table of Contents:

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Chapter 1

: Introduction
1. Background of the Study
2. Statement of the Problem
3. Research Objectives
4. Research Questions
5. Significance of the Study
6. Scope and Limitations
7. Definition of Terms

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Chapter 2

: Literature Review
1. Historical Context of the Establishment of the United Nations
2. Structure and Functions of the UN
3. Successes of the UN in Conflict Prevention and Resolution
4. Failures and Challenges Faced by the UN in Maintaining Peace and Security
5. Humanitarian Interventions and Development Initiatives

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Chapter 3

: Research Methodology
1. Research Design
2. Selection Criteria for Case Studies
3. Data Collection Methods
4. Data Analysis Techniques
5. Ethical Considerations
6. Trustworthiness and Rigor

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Chapter 4

: Results
1. Case Studies of Successful UN Interventions and Peacekeeping Missions
2. Analysis of Failed UN Initiatives and Challenges in Diplomacy
3. Assessment of the Role of Major Powers and UN Security Council Dynamics

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Chapter 5

: Discussion
1. Comparison of Findings with Existing Literature
2. Interpretation of Results in the Context of International Diplomacy
3. Implications for Strengthening the Effectiveness of the UN
4. Recommendations for Reform and Future Directions in UN Diplomacy