Social mobility in the context of "Sociology"

A social class or social stratum is a grouping of people into a set of hierarchical social categories, the most common ones being: the working class, the middle class and the upper class. Membership of a social class is commonly considered dependent on education, wealth, occupation, income, and belonging to a particular subculture or social network.

Class is a subject of analysis for sociologists, political scientists, anthropologists and social historians. The term has a wide range of sometimes conflicting meanings, and there is no broad consensus on a definition of class. Some people argue that due to social mobility, class boundaries do not exist. In common parlance, the term social class is usually synonymous with socioeconomic class, defined as "people having the same social, economic, cultural, political or educational status", e.g. the working class, "an emerging professional class" etc. However, academics distinguish social class from socioeconomic status, using the former to refer to one's relatively stable cultural background and the latter to refer to one's current social and economic situation which is consequently more changeable over time.

Social justice is justice in relation to the distribution of wealth, opportunities, and privileges within a society where individuals' rights are recognized and protected. In Western and Asian cultures, the concept of social justice has often referred to the process of ensuring that individuals fulfill their societal roles and receive their due from society. In the current movements for social justice, the emphasis has been on the breaking of barriers for social mobility, the creation of safety nets, and economic justice. Social justice assigns rights and duties in the institutions of society, which enables people to receive the basic benefits and burdens of cooperation. The relevant institutions often include taxation, social insurance, public health, public school, public services, labor law and regulation of markets, to ensure distribution of wealth, and equal opportunity.

Modernist interpretations that relate justice to a reciprocal relationship to society are mediated by differences in cultural traditions, some of which emphasize the individual responsibility toward society and others the equilibrium between access to power and its responsible use. Hence, social justice is invoked today while reinterpreting historical figures such as Bartolomé de las Casas, in philosophical debates about differences among human beings, in efforts for gender, ethnic, and social equality, for advocating justice for migrants, prisoners, the environment, and the physically and developmentally disabled.

Nouveau riche (French for 'new rich'; French: [nuvo ʁiʃ]), new rich, or new money (in contrast to old money; French: vieux riche [vjø ʁiʃ]) is a social class of the rich whose wealth has been acquired within their own generation, rather than by familial inheritance. These people previously had belonged to a lower social class and economic stratum (rank) within that class and the term implies that the new money, which constitutes their wealth, allowed upward social mobility and provided the means for conspicuous consumption, the buying of goods and services that signal membership in an upper class. As a pejorative term, nouveau riche affects distinctions of type, the given stratum within a social class; hence, among the rich people of a social class, nouveau riche describes the vulgarity and ostentation of the newly rich person who lacks the worldly experience and the system of values of old money, of inherited wealth, such as the patriciate, the nobility, and the gentry. Though people who came from lower social classes are beginning to see it as a compliment rather than an insult, viewing it as recognition that they built their own wealth and status.

In the history of the 20th century, the interwar period, also known as the interbellum (from Latin inter bellum 'between the war[s]'), lasted from 11 November 1918 to 1 September 1939 (20 years, 9 months, 21 days) – from the end of World War I (WWI) to the beginning of World War II (WWII). It was relatively short, yet featured many social, political, military, and economic changes throughout the world. Petroleum-based energy production and associated mechanisation led to the prosperous Roaring Twenties, a time of social and economic mobility for the middle class. Automobiles, electric lighting, radio, and more became common among populations in the first world. The era's indulgences were followed by the Great Depression, an unprecedented worldwide economic downturn that severely damaged many of the world's largest economies.

Politically, the era coincided with the rise of communism, starting in Russia with the October Revolution and Russian Civil War, at the end of WWI, and ended with the rise of fascism, particularly in Germany and Italy. China was in the midst of a half-century of instability and the Chinese Civil War between the Kuomintang, the Chinese Communist Party, and many warlords. The empires of Britain, France, and others faced challenges as imperialism was increasingly viewed negatively and independence movements emerged in many colonies; in Europe, after protracted low-level fighting most of Ireland became independent.