Not sure if this is one of ur answer options but i think it was the discovery of gold in Colorado
Answer:
In the 15th and 16th centuries, three great powers arose in a band across western and southern Asia. The Ottoman, Safavid, and Mughal dynasties established control over Turkey, Iran, and India respectively, in large part due to a Chinese invention: gunpowder. ... As a result, they are called the "Gunpowder Empires."
Explanation:
Well we wouldn’t have to learn about it in class
Water could be considered a resource, a mineral, an expensive and vital enterprise to life and various other purposes, also might have catalysed the formation of life on earth.
Water is a vital source for many functions such as the earth's temperature, humidity, biogeochemical cycles and other roles.