Final answer:
Marco Polo wrote to document trade activity and to spark curiosity in explorers, with the influence of his accounts evident in the inspiration of explorers like Columbus.
Step-by-step explanation:
Marco Polo's purposes for writing the excerpt from chapter 8 of The Travels of Marco Polo likely encompass documenting the vibrant trade and cultural exchanges of his era, as well as inciting curiosity and ambition in potential explorers and traders. The excerpt emphasizes both the economic activity in the city of Shihr and its connection to a broader trade network expanding across India, further highlighting the significance of commerce in establishing cross-cultural connections.
By detailing the wealth and the import-export activities, Polo aims to share knowledge about the interconnectedness of various regions and the opportunities for trade. His writings would later inspire explorers like Christopher Columbus to seek new trade routes and adventures, showcasing the influence of Polo's accounts on future maritime exploration.