What is one reason why many people distrusted the banking system during the free banking era of the first half of the 1800s? a. many banks refused to accept deposits from ordinary people, preferring instead to have only wealthy customers. b. many banks used depositors’ money to make unwise overseas investments that resulted in great losses. c. many banks did not have enough gold or silver to back the paper money they issued. d. many banks reported deposits to the internal revenue service, forcing depositors to pay taxes on the interest they earned.