 It simplified revenue collection and maximised income when compared to a system based on individual responsibility for revenue, in which allowances had to be made for land being out of cultivation.It also allowed a degree of communal self-determination that permitted the rise of economic elites with no reason to engage in political challenges, and hence the rise of the communities then known as Kanbis.Some Kanbis became wealthy enough to enter the world of finance, providing lines of credit to others in their community.