The social conditions leading to the formation of lynch mobs,riots,and other types of nonroutine behavior is part of the study of:

A) economic sociology
B) collective action and social movements
C) political institutions
D) demography
E) cohort behavior

The social conditions leading to the formation of lynch mobs, riots, and other types of nonroutine behavior fall under the scope of collective action and social movements. This field of sociology explores how individuals come together to pursue shared goals and how social structures and power relations shape the dynamics of collective action. Lynch mobs and riots can be seen as forms of collective action in response to perceived injustice or oppression, and studying them helps to understand the complex interplay of social forces that lead to such events.