No More Brother(s) Wars is a white supremacist slogans that argues for peace between Western nations perceived as white, and invokes conspiracies about Jews orchestrating historical conflicts. No More Brother Wars ties into White Genocide conspiracies, as it discourages actions and policies believed to lower caucasian populations across the world. Instead it promotes violence towards non-white populations and nations. The idea of "Brother Wars" is regularly invoked by white power musicians and bands, and appears regularly in extreme online spaces. Though the slogan was prevalent prior to Russia’s 2022 invasion of Ukraine, the ensuing war has popularized it.