make common cause

(slightly formal)

to work together to achieve something A number of groups have made common cause with local people to stop the highway from being built. The two countries have begun to make common cause against shared enemies.

Common Names:

Name	Pronounced	Usage
Nina (1)	NEE-nah (Russian, Italian, German, Finnish, Polish), NEE-nə (English)	Russian, Italian, English, German, French, Swedish, Norwegian, Danish, Finnish, Dutch, Polish, Slove
Molle	-	Medieval English
Antonija	-	Croatian, Serbian, Slovene
Annis	AN-is	English
Brian	[braiən]
DÉOdat	-	French