They realized that they did not have enough people to do all of the work of establishing a colony. That's hard work, for like 400 people! This sparked the massive slave trade of the 1500 slave trade.
If this helped, please rate, thank, and give brainliest answer (over that dude who commentated asdf."
The trade route to Byzantium is what led to all the others.
Hope this helps :)
~Davinia.
Post a picture of your map, this is probably a regents question I’ve seen before.
Answer is [happened before the present day].