It seems that you missed the given choices of the question above; but anyway, here is the correct answer. The correct answer would be RHETORIC. When you are able to convince your principal to cancel an assembly because of a political concern, this situation is an example of a rhetoric. Rhetoric is defined as the art of persuasion by using effective written, spoken or visual language.
The area that was supposedly owned by Mexico which was settled by many Americans in the western part of America today is California. This happened after the Mexican — American war where Mexicans give up any claim to California even if it’s against their will.
The song itself was about the tough conditions on the railroad. However, it is structured in short stanzas such as a ballad would be. The answer is ballad