However, Diamond’s thesis in Guns, Germs, and Steel is erroneous because it was mainly the inventions of the Industrial Revolution, particularly the steam engine and the cotton gin, that really separated the European West from the rest of the world and enabled European global domination. Diamond presented the causes of European global domination in his thesis as relating to the varying physical geographies of different continents. According to his thesis in Guns, Germs, and Steel, the continents had different abilities to generate food surpluses and, therefore, enabled agricultural societies to increase food production and develop technologies, leading to the development of more complex societies. The “geographic and ecological barriers to diffusion of technology were less severe in Eurasia than in other continents” because of its east-west axis (Diamond 262). Diamond stated that the east-west axis of Eurasia contributed to the rapid spread of domesticated plants and animals, further agriculturally and technologically advancing sedentary societies. However, it cannot be entirely concluded that this was how Europe dominated the rest of the world, because he is referring