... State there is also a rise in trade between nations. 4. The protestant reformation which created religious diversity and a desire by some people to rid themselves of Catholicism. 5. And the natural human characteristics of greed conquest, racism and slavery. 6. The return of Marco Polo from the Orient with stories of fabulous riches of gems, precious metals and spices. Columbus Columbus fascinated with the ... Kidney and others. --Corn Potatoes spread quickly throughout the world. Significance These three items helped nourish a world wide population explosion--Something like a five fold...

• Word Count: 1002
• Approx Pages: 4
• Grade Level: High School