Answer:
The expansion of empires led to the incorporation of conquered groups into trade networks contributed to the growth of trade in the era depicted on the map.
The growth and expansion of empires created larger, more interconnected trade networks that spanned multiple regions and brought people from different cultures and regions into contact with one another. As these empires conquered new territories, they brought new people and resources into the trade networks and helped to facilitate the exchange of goods and ideas across long distances. This expansion of trade networks helped to fuel economic growth and cultural exchange, and was a significant factor in the development of the global economy.