Read the second chapter of the textbook \"International Trade\" by John McLaren titled '5 Should Nigeria Strive for SelfSufficiency in Food?\" Answer the following questions: a) b) Summarize the main points made in the text and explain the Ricardian Model using the Nigerian example provided in this chapter. In the model provided in this chapter, comparative advantage comes from a pure techno logical difference between the countries. Identify some other differences that might drive comparative advantage? Provide concrete examples from countries that are familiar to you. In the model provided in this chapter, no one in Nigeria would have any reason to object to trade. Do you find this realistic? What assumptions does this depend on? Do you think these assumptions are crucial for the idea of the gains from trade, or for the question of how trade can affect nutrition