William McKinley, the 25th President of the United States, made significant contributions during his presidency, particularly in the areas of economic policy, foreign affairs, and American expansionism. Here are some of his notable contributions:Tariff Policy: McKinley was a proponent of protec ... |
The antoninianus was a coin used during the Roman Empire thought to have been valued at 2 denarii. It was initially silver, but was slowly debased to bronze. The coin was introduced by Caracalla in early 215 and was a silver coin similar to the denarius except that it was slightly larger and fe ... |