The EU didn't end the forever wars, even between the nations. It created nations that were forced to capitulate to more powerful nations under the guise of “acquiring resources.” It created nations that have been stuck in perpetual exploitation of others just because they're seen as lesser by the Western powers. It strengthened militarised border guards (because many of them are part of the military, not just police) that were granted the “right to protect themselves” by shooting migrants at their borders or pushing migrants into the sea or detaining rescuers for keeping people safe.
It creates systems that deport people who are seen as lesser or as “bad” because they refuse to assimilate (no one should ever assimilate—there is a strong difference between assimilation and integration). It allows “safe” countries (which aren't entirely safe) to send people back to places where they know they could die. It allows “safe” countries to upend people's lives without notice.
It didn't end perpetual forever wars, and that is EU propaganda. It strengthened their violence under the guise of “good” policy.
And it's doubtful that the “forever wars” (another propagandistic tool, for the record) will ever truly be stopped. All of us are walking into a range of far-right bullshit, and they will happily murder us all while they fight amongst themselves.
Just like the monarchs of old.