Much of the change in the structure of the Investment and Commercial banks in the U.S. related to the Glass- Steagall Act being repealed by the Geamm-Leach-Bliley Act in 1998. The Glass-Steagall Act was initially created in the wake of the Stock Market Crash of 1929, which prohibited banks from both accepting deposits and underwriting securities. When the act was repealed many Commercial and Investment banks started to offer products and services that traditionally had been offered only by the other