Following the Nigerian Civil War, from 1970 to 1971, Shagari was appointed by the military head of state General Yakubu Gowon as the federal commissioner for economic development, rehabilitation, and reconstruction which worked to carry out reconciliation policy of Gowon's Government. Shagari began reconstruction and rehabilitation of schools, hospitals, and other infrastructure in the South East. He also undertook the mission of persuading South Easterners to rejoin the civil service while negotiating the release of Biafran political prisoners after a letter