单选题 International trade has social and cultural dimensions. While much of the chapter deals with specifically economic issues, we must also remember the cultural and social implications of trade.
Let"s consider an example from history. In the Middle Ages, Greek ideas and philosophy were lost to Europe when hordes of barbarians swept over the continent. These ideas and that merchant cities and the Middle East. (The Greek ideas that had spread to the Middle East were protected from European upheavals.) Renaissance means rebirth: a rebirth in Europe of Greek learning. Many of our traditions and sensibilities are based on those of the Renaissance, and that no trade, our entire philosophy of life might have been different.
Fernand Braudel, a French historian, has provided good examples of the broader implications for trade. For instance, he argues that the effects of international trade, specifically Sir Walter Raleigh"s introduction of potato into England from South America in 1588, had more long-run consequences than did the celebrated 1588 battle of the English navy and Spanish Aemada.

单选题 In Paragraph 2, the author used an example from history to illustrate that ______.

单选题 What has the article laid stress on with regard to international trade?

单选题 Introduction of potato into England is compared to the 1588 battle for the purpose of ______.