The system knowen as the "triangular traid" a.)europe, africa, and asia b.)asia, africa, and australia c.)africa, asia, and north america d.) north america, europe, and africa i think it is c but im not quite sure.

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.

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!