"These missionaries braved malaria and yellow fever to preach the gospel of the death and resurrection of Jesus Christ under the auspices of the Sudan Interior Mission (SIM) and planted several churches as they preach along like Paul the Apostle and around mid-20th century these churches became independent to carry on the gospel.ECWA has the largest mission organization of any African church living up to its name Evangelical which by name Evangelical Mission Society (EMS) has sent out about 1,600 missionaries.