Subvert all the main faction missions in Leboa-Sako - the Northern Territory

Subvert all the main faction missions in Leboa-Sako - the Northern Territory. All of the storyline missions are given to you by the two warring factions. After you recieve a mission assignment - marked as a red target on your map, you'll get a phone call from a buddy who will suggest a different way of going about the assignment - marked as a blue target on your map. You must do every possible main mission in the northern territory the way that your buddy suggests to unlock this achievement.