The secondary sector involves the processing of raw materials into finished goods. Home construction and salmon canning are manufacturing or processing activities. Oil drilling, however, is classified as part of the primary sector because it involves the extraction of raw natural resources from the earth, rather than the transformation of those resources into finished products.

These terms represent major schools of thought within the field of economics. Classical economics focuses on free markets, neoclassical economics emphasizes utility and supply-demand, Keynesian economics advocates for government intervention to manage demand, and monetarism focuses on the role of money supply in inflation. Understanding these schools is essential for analyzing the evolution of economic theory and the development of modern macroeconomic policy frameworks.

In economic planning, target variables represent the desired outcomes or objectives that policymakers aim to achieve within a specific timeframe. These variables, such as growth rates, poverty reduction metrics, and external balance constraints, serve as the benchmarks against which the success of economic policies and the effectiveness of instrument variables are measured.

An aristocracy is a form of government in which power is held by a small, privileged ruling class, often characterized by hereditary nobility or landed gentry. While oligarchy also involves rule by a few, aristocracy specifically implies a system where the ruling class is perceived as the 'best' or most qualified by birth or social standing.

Latent functions are the unintended, often unrecognized consequences of social institutions. In the context of schools, while the manifest function is academic instruction, latent functions include providing childcare, delaying entry into the labor market, and facilitating the development of peer-group subcultures. These outcomes occur as a byproduct of the school environment rather than through explicit curriculum design.

Post-WWII American foreign aid, such as the Marshall Plan, was designed to rebuild devastated economies. By providing capital and resources, these programs stabilized foreign markets, which in turn facilitated the expansion of international trade and global commerce. While the aid also served political purposes like preventing political instability, its primary economic impact was the revitalization of the global trading system.

Human beings are inherently social creatures who generally seek to conform to the norms of their groups to maintain social cohesion and gain acceptance. While deviance exists, the standard sociological observation is that most individuals internalize and adhere to the established rules and expectations of their culture to facilitate smooth social interaction.

Poverty is a multifaceted issue driven by structural and social factors. Prejudice and discrimination can limit access to employment and education, while technological shifts can render certain skill sets obsolete, leading to structural unemployment. By combining these elements, we can better understand why poverty persists despite economic growth, as marginalized groups often face systemic barriers that prevent them from benefiting from technological and economic progress.

Ascribed statuses are social positions assigned at birth or involuntarily later in life, such as gender or ethnicity. The struggle to change discriminatory practices often centers on these statuses because they are fixed traits that society uses to assign roles and opportunities. Challenging these involves addressing the systemic expectations attached to these involuntary positions, which is a central theme in social stratification and conflict theory.

Karl Marx famously described religion as the 'opium of the people.' He argued that religion was used by the ruling class to justify existing social hierarchies and pacify the working class, thereby supporting the exploitation of the masses. In his view, religion provided a false sense of comfort that prevented people from addressing the material conditions of their oppression and seeking real-world change.