This assignment report delves into two key aspects of global economics. The first part examines the arguments for trade protectionism adopted by the USA against China, analyzing the impact of tariffs, trade deficits, and import substitution policies on various sectors like manufacturing and steel. It explores the government's justifications, the impact on the service sector, and the goal of self-sufficiency. The second part investigates the factors that influence cross-border mergers and acquisitions, discussing political and economic factors such as political unrest, economic stability, consumer income, and social situations, including age demographics. The report highlights how these factors shape the patterns and success of mergers and acquisitions, particularly in regions like the Asia Pacific.