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