The best description of the Turkish government to the American is Genocide. The term Genocide is intentional action to destroy a people (usually defined as an ethnic, national, racial, or religious group) in whole or in part. This shift toward Turkish nationalism left the Armenian political leadership in an impossible position.
B.
The US never declared war on Germany because of the Poland invasion. Britain and France declared war on Germany because of the Poland invasion.
The United States was having the most problems with Japan, and the US declared war on Japan shortly after they bombed Pearl Harbor.
Once the US declared war on Japan, Germany declared war on the US due to the Tripartite Pact.
C. The Buddha
The Buddha was the leader
The ultimate goal of the United States in their intervention in Mexico in 1914 was to have a neighbor that is stable, that they will be able to influence and control to a certain level, and protect their economic and political interest.
The intervention of the United States was a very variable and very controversial. They did not stick with one side to support, but instead they were changing sides, usually supporting the person in power, except when the French intervened too.
Also, the USA openly threatened Mexico that it will use military power in order to protect its interests and its citizens that own businesses and property in the country.