Conflict theory: In sociology, the term "conflict theory" was demonstrated by Karl Marx, and is described as a phenomenon that says a particular society is in a state or condition of perpetual conflict due to competition related to limited resources. However, it holds that a society's social order is being maintained through power and domination, instead of conformity and consensus.
Conflict theorists are considered as those theorists whose work and analysis are based on the phenomenon of conflict theory.
In the question above, the given statement represents conflict theorists.
A political machine is a party organization that recruits its members by the use of tangible incentives - money, political jobs, an opportunity to get favors from government - and is characterized by a high degree of leadership control over member activity.
During the 1930s, the combination of the Great Depression and the memory of tragic losses in World War I contributed to pushing American public opinion and policy toward isolationism.
Though, historically Jews have face some discrimination in Russia regarding their religious believe, Russian Jews were not restricted to pursue the careers they choose. there were Jews who succeeded in business and politics.