Final answer:
The Silk Road primarily traversed Asia, linking areas such as Iran with East, South, and Central Asia, and promoting significant cultural and economic exchanges.
Step-by-step explanation:
The Silk Road primarily traversed the continent of Asia, connecting regions such as Iran with other parts of Asia. This expansive network of trade routes was central to cultural interaction between the Western and Eastern worlds, enabling not just the trade of silk, but a myriad of other goods, cultural traditions, and religions between China, Central Asia, South Asia, the Middle East, and beyond. The historical Silk Roads are an example of the significant cultural and economic exchanges that took place across Asia, influencing regions as far as Europe and North Africa.