With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: Fritigern is not mentioned again in any source after 381, and his fate is uncertain, he may have been killed in the Greek campaign, or he may have been deposed as a condition for peace.
text_B: If it was determined that peace was never achieved, would this help historians be more certain of Fritigern's fate?
YES.