| 1 | postal savings and postal remittances; and | |
| 2 | After World War II, nations adopted the dollar-exchange standard. | |
| 3 | The whole machinery of gold exchange standard is in the formative stage. | |
| 4 | The dollar became the accepted medium of international exchange and a universal reserve currency. | |
| 5 | The first problem is how much gold or gold exchange should be reserved against currency. |