The correct answer is D: Noth America, Europe and Africa. This system consisted in exporting commodities that were not necessary in an specific region and that probably was needed in another one. For example, America would export sugar, tobacco and cotton to Europe, while Europe would export textiles, rum and manufactured goods to Africa; and the last one would export slaves to America.
The main way in which the Aztecs used slaves to benefit their economy was for mining purposes. There was not a lot of field work to be done, so most slaves were employed in hard labor.
The mission objective of the Voyager Interstellar Mission (VIM) is to extend the NASA exploration of the solar system beyond the neighborhood of the outer planets to the outer limits of the Sun's sphere of influence, and possibly beyond.
