G. Edward Griffin points out that the financial panics of 1873, 1884, 1893 and 1907 took place during periods of prosperity and were caused by :_________________ and not by negative factors in the economy. Group of answer choices currency drains in banks because they "loaned up" to the point where they had practically no reserves. currency rises in banks because they "saved up" to the point where they had plenty of reserves. none of the above