Foreign Policy since treaty's do deal with other nations but usually after tensions or conflicts, embargo is a part of trade so for instant an embargo tax, and trade section has to deal with embargo's so the best choice is Foreign Policy.
The correct answer to this open question is the following.
Although the question is incomplete because it does not provide a specific reference about the author of the letter or any other reference, we can comment on the following.
A primary source is the piece of information that was written by a character or an individual that lived in the moment of the event, was part of the event, or witnessed the event. This individual could have written a letter, or a document -including a book. Or he/she took a photograph. Or was part of an interview. The secondary source includes information from a third person who was not part of the time or event but has found information through other resources. It is the case of an encyclopedia or researchers/historian books.
The right to a speedy and public trial is meant to protect the rights of
The accused
While the threat of mutually assured destruction seemed to fade with the end of the Cold War, the threat of "<span>B. the proliferation of weapons of mass destruction"</span> still exists
