coalition
Apex(:
Groups of people or countries that work together are called Alliance
Children working in coal mines
Clientele Groups
organs
when you have an alliance with three people or with three groups
These groups could be called a confederation; a club; a congregation; a federation; or civic groups.Added: A "special interest group" - a "lobby" - etc.
clientele groups.
A term commonly used for a loose alliance of political groups is a coalition.
Interest Groups
Quadruple Alliance. Concert of Europe. Russian Alliance. Holy Alliance.
organ system
Which groups benefit the most from social welfare policies