To the extent that a student is in a major, we're typically referring to the major as a discipline. It could also be defined as a field, or even as a perspective. Some majors are by definition interdisciplinary while others are to a lesser extent.
We're recognizing that faculty and students fall into departments that offer majors, so that discipline is a shorthand definition that works for most people. Students will not be required to "represent" a broad discipline; they will be asked to identify their own field or fields of interest and explore ways in which people in the field address the global issue associated with the course. Naturally, students will also develop some expertise in the disciplinary work and perspectives of the course itself.
The "integration" will occur as students combine perspectives from multiple fields or disciplines and add new knowledge to previous knowledge. More.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.