1. Interregional communication and trade led to intensified trade in Africa and Eurasia through the expansion of Islam.
As the Islamic empires expanded, trade and communication caused people from different areas to be drawn into the economies of these people and their trade networks.
Given that there were better commercial practices, the trade volume increased and trade routes expanded. From the Silk road, the trans Saharan routes in Africa, and the Indian Ocean all led to new powerful trading towns.
2. The black death was an outbreak of plague, the Bubonic plague. The black death caused social disorder by making people to flee their communities and families, It caused a decrease in laborers, This led to a fall in production, inflation.
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