- Self defense: Resistance armies are often created to protect a group of people( an enthic or tribal group) from persecution, oppression, or genocide.
- Political self determination: Resistance armies may fight for political independence or recognition of their self-determination.
- Liberation from occupation: Resistance army can be formed to liberate a territory that has been occupied by foreign forces.
- Resistance against dictatorial regimes: Resistance army may rise up against oppressive totalitarian governments
- Secessionist movements: Resistance army may be establised to seek separation or secession from a larger political entity.