What was one of President Wilson's Fourteen Points?

The 14 points included proposals to ensure world peace in the future: open agreements, arms reductions, freedom of the seas, free trade, and self-determination for oppressed minorities. ... Wilson later suggested that there would be another world war within a generation if the U.S. failed to join the League.

Explanation:

the answer wold be b) travel among nations should be regulated by an international organization

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.