
***AP Human Geography Heimler Review Guide:
***AP Human Geography Video NOTEGUIDES:
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In this video Heimler covers everything you need to know about AP Human Geography Unit 7 Topic 6 (7.6) which is all why countries trade with one another and how international trade has fostered globalization at a rapid pace. The most basic answer is that countries trade because of complementarity and competitive advantage, both of which often result is more significant economic growth for all parties involved. But still there are barriers to trade, most notably tariffs, which often result in trade wars, which hamper international trade.