Translation for "systems which are" to german

Systems which are

• systeme, die
• systeme, die sind

Translation examples

systeme, die

I thought that day, not for the first time, why should I join the old system, which had already killed the rats who joined it?
An jenem Tag dachte ich nicht zum ersten Mal: Warum sollte ich Teil des alten Systems werden, das sogar die Ratten, die Teil dieses Systems geworden waren, tötete?