Gutenburg's printing press made books cheaper and available to a larger variety of people. Before the printing press, books were very hard to make and they took a long time to produce.
A primary source is someone who was there at the time the event happioned or an artifact from that time line
secendairy source (sry 4 my bad spelling) is something from after the event or writen from after the event
The Byzantine Empire's economy has always been regarded among the most strongest in the Mediterranean for several centuries. Their solid presence in Constantinople gave them a significant advantage as it was the center of a trading network that ran all throughout Eurasia into North Africa. With trading as their stong suit and a State that tightly controlled both internal and foreign transaction, they were set up for success. The one factor that set them apart has to be <u>their inmplementation of coinage</u>, which consolidated a monopoly around the Byzantine empire.
Hope this helps!
Francisco Pizarro led the conquest of the Inca Empire.
