make common cause

Etymology
Possibly a, first attested in the same period (1787).

Verb

 * 1) To cooperate, to enter into an alliance for a shared goal.

Usage notes
Often used in the phrases and.

Translations

 * Finnish: toimia yhdessä
 * French:
 * Polish: angażować (się) w sprawę, zaangażować (się) w sprawę