Anne Fadiman, author of The Spirit Catches You and You Fall Down, studied the Hmong immigrant population in the United States. What does her work suggest is one of the biggest challenges faced by this population

sorry but your romanian isn't clear could you just translate to english

explanation:

the answer is:

c. economic output

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.