This article examines South Sudan's Foreign Policy Under Salva Kiir: Bilateral Alignments and Diplomatic Isolation with a focused emphasis on South Sudan within the field of Arts & Humanities. It is structured as a action research study that organises the problem, the strongest verified scholarship, and the main analytical implications in a concise publication-ready format. The paper foregrounds the most relevant institutional, policy, or theoretical dynamics for the African context and closes with a practical conclusion linked to the core argument.