What best explains how trade enhances efficiency

Trade gets productive resources from one place to another where they're more needed.

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Trade gets productive resources from one place to another where they're more needed.

Explanation:

Trade is defined in economics field as the buying and selling of good and services with the exchange of them between parties. It can take place between buyers and sellers, producers and consumers, etc. International or interstate trades allows their economics to expand markets that or else may not have been accessible to it. Global trade permits affluent countries to use their resources more efficiently in order to sell it cheaper than in the country that do not have them and like this obtaining more benefits.  

whitch constitution would be inadequate as a basis for government today?

the answer would be a) it only allowed catholics to be in government.