Disputes - international: | two villages remain in dispute along the border with Benin; Benin accuses Burkina Faso of moving boundary pillars; in recent years citizens and rogue security forces rob and harass local populations on both sides of the poorly-defined Burkina Faso-Niger border; despite the presence of over 9,000 UN forces (UNOCI) in Cote d'Ivoire since 2004, ethnic conflict continues to spread into neighboring states who can no longer send their migrant workers to work in Ivorian cocoa plantations |