Final answer:
Humans created many types of governments primarily for protection and order, influenced by the need to manage conflicts over resources and power. As societies grew, government structures evolved to address the challenges of organization, resulting in various forms such as unitary, federation, and confederation systems.
Step-by-step explanation:
Humans have created many different types of governments due to a variety of reasons. One of the fundamental reasons is the need for protection from conflicts and the desire for law and order. Since the earliest formations of societies, there was an understanding that safety was easier to achieve in groups with recognized leaders, establishing the roots of sovereignty.
Throughout history, as societies evolved, they confronted challenges that required different forms of governance. Whether due to human nature or economic factors, conflicts have prompted societal organization to manage resources, privileges, and power. Historical figures, including Karl Marx, have pointed to property as a source of contention, thus shaping government structures.
Governments also arose out of practical necessity as populations grew and became more complex. Political scientists identify three basic types of national governments—unitary governments, federations, and confederations—based on the allocation of power between central and regional governments.