Q: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
the battle began a seven-year war which established the rhine as the boundary of the roman empire for the next four hundred years , until the decline of the roman influence in the west.
A:
the battle continued for seven years and as a result the rhine became the boundary of the roman empire for the next four hundred years . it persisted so until the downfall of the roman control in the west.