They didn't, necessarily. Banks were just a place to get loans and a slightly more secure place to keep money than a hole in the back yard: http://en.wikipedia

They didn't, necessarily. Banks were just a place to get loans and a slightly more secure place to keep money than a hole in the back yard: http://en.wikipedia.org/wiki/Federal_Deposit_Insurance_Corporation#Inception http://en.wikipedia.org/wiki/Federal_Deposit_Insurance_Corpo...