From what you can see here, how could they distinguish each regiment on the battlefield?

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. 

Iwould desribe the special olympics as one of the world's largest sports organization for children and adults with disabilities. it provides year-round training and competitions to 5.7 million athletes in around 172 countries.