Historically in modernism, Sullivan's impactful use of aesthetics on financial structures occurred when banks functionally needed their own spaces to continue adequate business. Due to an increase in agricultural profitability during the end of the 1800s, farming wealth caused "economies and populations of towns serving farmers" to rapidly develop and therefore causing growth in the public's privatized use of banks (Meyer 8). During this time almost all banking "was still conducted in buildings housing other functions" which many bankers considered "inadequate to promote their interests" of providing the public with a sense of safety and security (8). In order to achieve this sense of security, Sullivan returned to using aesthetic masonry so