An ideology is a comprehensive framework of ideas, values, and beliefs that shape an individual's or group's understanding of the world. It provides a lens through which people interpret social, political, and economic realities, guiding their actions and policy preferences. Unlike scientific hypotheses, ideologies are normative and value-laden rather than strictly empirical or falsifiable.

Formal organizations are structured entities designed to achieve specific goals, and they are fundamentally composed of groups of people working together. In contrast, institutions are established patterns of behavior or social norms that govern society. While organizations are concrete groups, institutions are the underlying rules or frameworks that guide social interaction.

Ideologies serve as the foundational framework for social movements, providing the necessary belief systems, values, and justifications for collective action. By defining the goals and the perceived problems of society, ideologies mobilize participants and provide a coherent narrative that sustains the movement's efforts toward achieving specific social or political objectives.

A crisis of legitimacy occurs when a significant portion of the population no longer accepts the authority or the right of the governing body to rule. This happens when the government fails to meet the expectations of its citizens, leading to a breakdown in the social contract and a loss of public trust in institutional processes.

Sociocultural change posits that social structures and cultural norms are deeply intertwined. As society evolves, cultural values shift, and vice versa. This holistic perspective recognizes that these two dimensions of human life are mutually reinforcing and inseparable, meaning that significant alterations in one inevitably influence the other over time.

Cultural universals are elements, patterns, traits, or institutions that are common to all known human cultures. Examples include language, family structures, marriage, and religious rituals. These universals exist because they address fundamental human needs and challenges that are consistent across different geographical locations and historical periods, providing a common foundation for human social organization.

The legislative branch is primarily responsible for creating, debating, and approving laws. This function is central to the separation of powers, distinguishing the legislature from the executive branch, which is tasked with enforcing the laws, and the judicial branch, which interprets them within the legal framework.

Social structure is maintained through a combination of formal rules, the arrangement of individuals into specific social positions, and the recurring patterns of behavior that define social interaction. These elements collectively provide the stability and predictability required for a society to function effectively, making all the listed options essential components of social organization.

In political science and international law, the classic definition of a state includes a defined territory, a permanent population, and a government capable of exercising sovereignty. While armed services are often a tool used by states to protect their interests and maintain control, they are not a foundational requirement for the definition of a state itself, as some states may exist without a standing military.

The power of judicial review, which allows the Supreme Court to declare legislative or executive acts unconstitutional, was not explicitly granted by the text of the Constitution. Instead, it was established by Chief Justice John Marshall in the 1803 case of Marbury v. Madison. This landmark decision solidified the Court's role as the final interpreter of the Constitution, setting a vital precedent for the American system of checks and balances.