This assignment requires a comprehensive analysis of BHP Billiton's performance, including its financial performance, environmental impact, and social responsibility. The analysis should cover various aspects such as the company's revenue, profit margins, market share, and sustainability initiatives. Additionally, the report should discuss the impact of BHP Billiton's operations on the environment and society, including any concerns or controversies surrounding the company's activities. The assignment also requires an examination of BHP Billiton's relationships with other countries, specifically China, and its involvement in international trade agreements.