What is the most important reason people trade? A. Both parties believe they will benefit. B. People usually are too lazy to make things themselves. C. Trading gives people something to do. D. It is the best way to keep the flow of money going.

A. Both parties believe they will benefit.

Explanation:

The five main reasons international trade takes place are differences in technology, differences in resource endowments, differences in demand, the presence of economies of scale, and the presence of government policies.

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answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

b) almost one million irish people died during the potato famine.