The Silk Road and the Indian Ocean trade routes were similar in approach but different in economy and direction of the route.
Answer: Option C
Explanation:
Silk Road was more connected through the land and Indian Ocean trade route as the name suggest has much of the Indian Ocean in route and was connected through port.
Silk Road was through the Mediterranean Sea and the economy thus was different due to cities involved had their different level of development and civilization. Silk Road had more of westernised culture where as trade routes via the Indian Ocean influenced by Islamic culture more.