In the period described, Europe faced pressure from external forces and was cut off from eastern economic centers supplying spices and silk, which had historically driven Eurasian trade.

“under immense pressure from external forces and cut off from the core economic power bases of the east the sources of the spice and silk that had driven the global economy historically throughout eurasia are finally forced to innovate key names like prince henry the navigator of portugal work on turning the atlantic ocean from a barrier into a super highway generational knowledge accrued from captains reporting in”