That assault marked the farthest the South would penetrate into Union territory. In a much larger sense, it marked the turning point of the war.
这里的 the farthest可以理解为名词，后边跟了一个定语从句，South would penetrate into Union territory to the farthest .不知道这么理解对吗，求大神指教，送一百金币 返回小木虫查看更多