“…The rivalry for fertile land was the primary reason for the 1989 Senegal-Mauritania conflict (60,61), and access to rivers was one of the causes of Israel's six-day war with Arab nations in 1967 (62). While at times, the conflict involves actors sharing the same ethnic identity, as observed between the Igbo (63), Yoruba (64), and Fulani communities (65,66). The majority of conflicts occur between members of different ethnic groups (67,68).…”