Different shades, tints, and hues of green have different meanings. For example, dark green represents greed, ambition, and wealth, while yellow-green stands for sickness, jealousy, and cowardice, and olive green represents the traditional color of peace.
The Columbian Exchange is a term used to denote the world-changing exchange of agricultural goods, slave labor, diseases, and ideas between the Eastern and Western Hemispheres that occurred after the year 1492 CE.
The Columbian exchange: How it affected the New World: 1) Contact with Europeans exposed Native Americans to diseases against which they had not developed resistance -- small pox, measles, chickenpox, influenza, malaria, and yellow fever. For example, in 1738, a small pox epidemic decimated half the Cherokee population.