Any idea can be brought into the classroom if the point is to inquire into its structure, history, influence and so forth. But no idea belongs in the classroom if the point of introducing it is to recruit your students for the political agenda it may be thought to imply.
The fact that you had disruptions in the peace process was not only in Rwanda. We had the same problem in Cambodia, we had the same problem in Mozambique, we had the same problem in Salvador.