Final answer:
The theory most closely associated with Barrington Moore is that democracy happens in societies after the emergence of a bourgeoisie.
Step-by-step explanation:
The theory most closely associated with the scholar Barrington Moore is that democracy happens in societies after the emergence of a bourgeoisie. This theory suggests that the establishment of a middle class with economic power is a crucial factor in the development of democratic institutions. According to Moore, the bourgeoisie seeks to protect its economic interests and has the capability to challenge existing power structures, ultimately leading to the rise of democracy.