History is a dynamic subject due to the countless factors that define its outcome. To understand how history is formed, it is important to look at both the advantageous and disadvantageous aspects of the topic relating to the interaction between humans and the environment in relation to demographics and diseases, and technology. The theme related to the formation of political entities is important in history because a political entity shows ideological and technological innovation. Political entities form various political structures and forms of government that have led to conflicts that have illustrated the human capacity for violence. Guns, Germs and Steel by Jared Diamond details human interaction with the environment through the extensive details provided on the development and expansion of agricultural systems leading to population growth and the spread of disease. Guns, Germs and Steel also provides detailed descriptions of how technological inventions arise and how such inventions have the ability to impact the world. In addition to the study of how humans interact with their environment, Guns, Germs, and Steel also provides an account of the hierarchy of political entities. Jared Diamond's writing effectively teaches the above-mentioned themes through the use of historical examples that complement his unmistakable style. However, Diamond's writing is repetitive and details on the effects of technology on warfare are scant. Guns, Germs, and Steel details the hierarchy of political entities ranging from small groups of fewer than eighty people to states that dominate the planet. "From Egalitarianism to Kleptocracy" begins by detailing political hierarchies by stating that egalitarianism and not institutional......at the heart of the paper...history. The proximity of humans to domestic animals is an important factor in the development of diseases, but it is also the source of immunity for any population. However, as demonstrated by large population losses in places colonized by Old World states, humans not exposed to domesticated animals were decimated due to lack of immunity (Diamond 195-214). “The Mother of Necessity” details the fourteen factors that encourage human technological development. The factors are limited availability of cheap labor, copyright, modern industrial societies, modern capitalism, social freedom, risk taking, scientific perspective, tolerance of different points of view, religion, conflict, centralized government, different climates, and the abundance and scarcity of natural resources. resources (Diamond 239-264). Works Cited Diamond, Jared. Guns, germs and steel. New York, W. W. Norton and company, 1999.