This report delves into several crucial areas of international business. It begins by examining the objectives of the Asian Infrastructure Investment Bank (AIIB) within the context of the One Belt One Road (OBOR) initiative, detailing its role in fostering economic development and regional cooperation. The report then explores Porter's Five Forces model, a framework for analyzing competitive advantages, and provides an example of its application to a specific company. Finally, it investigates the implications of trade protectionism, particularly in the United States, discussing the rationale behind such policies and analyzing various protectionist measures, including the use of quotas, and their effects on global trade dynamics. The report offers a comprehensive analysis of these interconnected topics, providing valuable insights into the complexities of the global business environment.