The treaty was to the aggressor's advantage.是什么意思？

The treaty was to the aggressor's advantage.

条约对侵略者有利.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

treaty

n. 条约，协议，协商，谈判；

例句
Delegates signed a treaty to reduce the armouries of conventional weapons in Europe.
各代表签署了协议以减少欧洲的常规武器装备。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

advantage

n. 有利条件，益处，优越（性），处于支配地位；vt. 有利于，有益于，促进，使处于有利地位；vi. 得益，获利；

例句
They are deliberately flouting the law in order to obtain an advantage over their competitors...
他们为了和竞争对手抢夺先机而公然无视法律。