Cooks began poisoning Biafran soldiers whenever they had the chance to .
Biafran was because of this that Biafran soldiers began only eating food that was cooked by ethnic Igbos or self - cooked .
Cooks began poisoning Biafran soldiers whenever they had the chance to and it was because of this that Biafran soldiers began only eating food that was cooked by ethnic Igbos or self - cooked .