Historically, the theory of natural rights was often invoked to limit the arbitrary power of monarchs and princes, asserting that rulers were subject to higher moral laws. While it also influenced modern constitutions, the initial impact was a challenge to absolute monarchical authority, forcing rulers to justify their conduct according to natural law principles.

The Evolutionary theory suggests that the state develops gradually over time rather than being formed abruptly. The correct answer states that the state emerges as a result of a long, gradual process rather than a specific historical event or a particular year. This perspective emphasizes that political institutions are the outcome of cumulative societal changes, reflecting the organic maturation of human governance structures.

R.N. Gilchrist, in his analysis of political theory, rejected simplistic explanations for the origin of the state. He argued that the state is a complex, evolving entity that develops over time through historical, social, and political processes. This 'historical' or 'evolutionary' theory posits that the state is the result of long-term social development rather than a single event or divine mandate.

Social Contract theory posits that the state is not a natural or divine entity but a human construct. It suggests that individuals living in a hypothetical 'state of nature'—a pre-civil condition—voluntarily entered into a collective agreement or contract to establish a political authority. This authority is tasked with protecting their rights and maintaining order in exchange for their obedience.

The Force Theory argues that the state originated from the subjugation of the weak by the strong. It posits that the state is the result of conquest and the subsequent imposition of authority by a dominant group over a conquered population. While modern political science views this as an incomplete explanation, the theory historically emphasizes that the state's foundation lies in the physical power and coercion exerted by a ruling entity.

The Historical or Evolutionary theory is the most accepted explanation for the origin of the state. Unlike the Social Contract or Force theories, which focus on specific events or mechanisms, the Historical theory posits that the state is the result of a long, gradual process of social evolution involving kinship, religion, economic factors, and political consciousness over many centuries.

Herbert Spencer was a leading proponent of the organic theory of the state in the 19th century. Influenced by Darwinian evolution, he argued that societies and states evolve like biological organisms, progressing from simple to complex structures. He believed that the state, like an organism, must adapt to its environment to survive, and he used this analogy to advocate for limited government intervention, viewing the state as a natural product of social evolution.

The historical or evolutionary theory suggests that the state is the result of a long, gradual process involving various factors like kinship, religion, economic necessity, and political consciousness. While class consciousness is a central concept in Marxist theory regarding social change, it is not traditionally cited as a foundational element in the classical historical theory of the state's origin, which emphasizes organic development over class-based conflict.

Social contract theory posits that political authority is derived from an agreement among individuals. Thomas Hobbes, John Locke, and Jean-Jacques Rousseau are the primary architects of this tradition. Conversely, Herbert Spencer is primarily associated with social Darwinism and evolutionary sociology, which emphasizes biological competition rather than the contractual formation of political society.

The Social Contract theory emerged during the Enlightenment as a direct challenge to the 'Divine Right of Kings,' which claimed that monarchs derived their authority directly from God. By proposing that political authority is a human construct based on the consent of the governed, the theory provided a secular and rational alternative to the religious justification for absolute monarchical power.