Is it true some travelers traveled the whole silk road

Few people traveled the entire route, which led to the establishment of several middlemen and trading stops along the road. The Silk Road carried a great deal of cargo. Silk was transported from China to Europe by merchants, who adorned royalty and rich clientele. Along the way, towns grew into multicultural cities.

i believe the answer would be 1.

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;