41. Jason Ward was a 2001 Teach For America corps member in the Mississippi Delta region . 42. About 39 million people live in the Delta region . 43. Oil drilling in Nigeria's delta region is an example. 44. Conversely, jade artefacts at Daxi sites show possible influence from the Yangtze River Delta region . 45. On its southern coastline in the river delta region lies the human frontier settlement Pigbarter. 46. He also looked at sites in the Mississippi Delta region , including Black Oak and Holcomb, Missouri. 47. These artists brought with them a style of blues music rooted in the Mississippi Delta region . 48. On Feb . 9, another British oil worker, Jim Simpson, was kidnapped in the delta region . 49. And Memphis was really the gateway from the southern delta region to Mississippi and places north. 50. He is an influential leader in the Niger Delta region and a national figure in Nigeria.