• Alliances
• Cartels
• Coalitions
• Common interest groups
• Factions
• Groups of allies
• Groups of like-minded voters
• Interest groups
• International alliances
• Partisan coalitions
• Political alliances
• Political coalitions
• Political groups
• Purposeful groups
• Special interest groups
• Trading groups
• Unions
• Unions of sorts
• United voters
• Voting alliances
• Voting coalitions
• Voting groups