 It is also involved in radio, publications for outreach and discipleship, rural development, urban ministries, and cross-cultural missions.There are more than 1600 missionaries from ECWA churches who serve in Nigeria and other countries with the Evangelical Missionary Society (EMS), the missionary arm of ECWA.There has been a serious confrontation between evangelical Christians standing in opposition to the expansion of Sharia law in northern Nigeria by militant Muslims since 1999.