alliance
al·li·ance
/əˈlajəns/ noun , pl -anc·es
1 [ count ] : a union between people, groups, countries, etc. : a relationship in which people agree to work together
We need to form/forge/encourage a closer alliance between government and industry.
strengthen/weaken the alliance of western nations
There has been a pattern of shifting alliances in the political world.
The article condemns what some say is an unholy alliance between government and media.
2 [ noncount ] : the state of being joined in some activity or effort : the state of being allied
two nations in close alliance (with each other)
one nation working in alliance with another
3 [ count ] : a group of people, countries, etc., that are joined together in some activity or effort
There is disagreement within the alliance about how to deal with this problem.