I don't know the answer choices but I do know that scarcity is a lack of a certain resource. This resource, which there is not a lot of, then costs more. The less there is of something, the harder it is going to be to get it.
Explanation:
The purpose of Hay's notes was to grant all the major powers equal access to Chinese trade and reduce the influence of countries that already had an especially large hold in China (such as Japan and Russia) so they couldn't force other countries (particularly the United States) out of the Chinese market.
The correct answer is B) US free trade increased.
An effect of US government policies during the 1920s was that US free trade increased.
The 1920s represented a time of great prosperity for the United States. Indeed, there is a term that identifies these years in America called "the Roaring 1920s." The US industry was running smoothly, people had money or credit, so they could buy many necessary or unnecessary things and this meant more income for the US companies. Those years were the beginning of Mass Culture.
Answer: Germany, Italy and Japan
Explanation: