A lot of currencies in the world are dependent on the bigger currencies of America and Europe. This is why the trend stated above is a normal condition that occurs in currency value.
Most of the exchange rates that take place use the US and European currencies and the buying power of other countries are dependent on this trend.
The answer would be 3. Communism. Essentially, he called it Marxism- where the population shares everything. This idea was expanded upon to create excessive communism, which grew to be used in Russia and China.
