disunite
US /dɪsˈjuːnaɪt/
UK /dɪsˈjuːnaɪt/

1.
entzweien, spalten, trennen
divide or separate (people or things), especially in terms of allegiance or unity
:
•
The political disagreements threatened to disunite the party.
Die politischen Meinungsverschiedenheiten drohten, die Partei zu entzweien.
•
Their different opinions began to disunite the group.
Ihre unterschiedlichen Meinungen begannen, die Gruppe zu entzweien.