Answer in complete sentences and put what were the effects of exchanges at cairo? which affect was most important and why?

Because of Cairo’s location, most of the products exchanged from east to west passed through the city. The city was an important stop within the Islamic trade-pilgrimage network of roads, sea routes, and cities that carried people traveling for trade and pilgrimage. The SoE3.2 Cairo Background Reading explains the lesson content to students and the questions beneath each paragraph guide them to identifying causes, exchanges and effects from the text. Students can either do the assignment individually or in pairs.  

The final page of the SoE3.2 is a graphic organizer that organizes the content from the reading. To complete this graphic organizer, have students work in groups and review the graphic organizer with them. It might also be posted on butcher paper and hung up during the lesson for student reference.

i think your answer there is c

international economic development agencies harm poorer nations by encouraging them to serve as exporters to wealthier nations.