This assignment explores the challenges Human Resource Management (HRM) departments face when expanding or doing business across international boundaries. It delves into four key HRM models used to analyze macro and micro factors before international expansion, such as convergence and divergence, PESTLE analysis, and a regio-centric approach. The report also examines the complexities of managing multi-cultural teams, highlighting communication, coordination, and cooperation issues arising from cultural differences. Furthermore, it discusses the interconnectedness between HR and organizational management in adapting to external factors and emphasizes the importance of human rights principles and the role of international organizations like the ILO.