THE MAIN POINT OF THE PASSAGE IS THAT THE EIGHTEENTH AND NINETEENT...

55.

The main point of the passage is that the eighteenth and nineteenth centuries were a time

when

A. the European textile industry increased its demand for American export products

B. mechanization of spinning and weaving dramatically changed the textile industry

C. cotton became a profitable crop but was still time-consuming to process

D. cotton became the most important American export product