Countries join trade blocs such as NAFTA in order to

The correct answer is C

Explanation:

Trade Agreements like NAFTA are mainly made in order to further the interests of the member countries. These trade agreements are partial dispositions that favor a more open economcy, and a freer movement of goods and services and of factors of production across sectors, and across countries.

Trade Agreements like NAFTA are complicated not only in structure but also in the developing phase, due to the conflicting interests of the signing countries. However, once they are made, they tend to have an overall positive economic effect according to most economists, even if some economic sectors may suffer disproportionately or even disappear entirely.

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