Kindly answer the following questions, only brief, not long, thank you.

1. What is meant by corporate social responsibility? Describe, using an example.
2. Even in a world in which the principles of free trade prevail, states frequently impose protectionist policies. Discuss several motivations for protectionist behavior in a liberal market. Analyze the acceptability of each in today's world economy.
3. Is it indeed possible that the world community is evolving toward a global identity? Why or why not? What are the likely consequences of such situation? What are the consequences should that not occur?