Original sentence: Seeking access to the sea and oil wealth, the Igbos annexed non-Igbo areas such as the Niger Delta (primarily Ijaw) and the Cross River Basin (primarily Efik-Ibibio).This contributed in great measures the lack of support of the Igbo war effort among these group and the resulting defeat of Biafra.This led to considerable resentment among these other ethnic groups, as they had previously claimed to have been oppressed by the Igbo majority
Edited sentence: Among notable non-Igbo personalities that was involved in Biafra was Gen.Like in every conflict opinions among the non-Igbo Easterners and even among the Igbo was divided, with some in support and some others in opposition to Biafra.Philip Effiong from present day Akwa Ibom state who was the vice-president and later the last Head of state of Biafra.The Igbos included the non-Igbo areas such as the Niger Delta (primarily Ijaw) and the Cross River Basin (primarily Efik-Ibibio)because it was a constituent part of the then Eastern region and their own people were also victims of the pogrom in the North