I was raised #Unitarian. A frequent topic in the early "adult school" was #JustWarTheory. en.wikipedia.org/wiki/Just_wa... " The criteria are split into two groups: #JusAdBellum ("right to go to war") and #JusInBello ("right conduct in war"). " Historically many were #Abolitionist.

Just war theory - Wikipedia
Just war theory - Wikipedia

www.channingmc.org/wp/sermons/t... " #TheodoreParker has been acknowledged as the premier #UnitarianMinister and #theologian of the 19th century. A founder of the #transcendentalist movement and a leading #abolitionist, he believed, along with #WilliamElleryChanning, in peacefully ending slavery "

The Radicalization of Theodore...
The Radicalization of Theodore Parker – Channing Memorial Church, Unitarian Universalist (Ellicott City, MD)

" through legislative means. Eventually, however, Parker became radicalized leading him and other Unitarians to violence " From linked PDF: " One single event, however, can be attributed to the awakening of the Unitarians from reform to radicalism "
" and motivated some of them to move from #PeacefulMethods to support extreme violence. ... That single event was the #CompromiseOf1850. "