What are the most challenging sources of conflict and crisis in the 21st century?

The dangers of an inadequate monetary supply.

Where people were very broke no jobs were available and everyone was struggling

The renaissance was a major turn in history. many new ideas and technological advances came into place. it was a time of new thinking, where many were inspired by enlightenment beliefs. most people were branching out from what the government or the catholic church was saying, and using science to answer questions about the world around them. it was also a time when the arts were booming. artists, musicians, mathematicians, philosophers, and historians were becoming more and more of a respected society. the renaissance was a major turn in history.