 Members of the Historic Peace Churches such as Quakers, Mennonites, Amish, Old Order Mennonite, Conservative Mennonites, the Bruderhof Communities and Church of the Brethren object to war from the conviction that Christian life is incompatible with military action, because Jesus enjoins his followers to love their enemies and to refuse violence.Since the American Civil War, Seventh-day Adventists have been known as non-combatants, and have done work in hospitals or to give medical care rather than combat roles, and the church has upheld the non-combative position.Jehovah's Witnesses and Christadelphians, refuse to participate in the armed services on the grounds that they believe they should be neutral in worldly conflicts and often cite the latter portion of Isaiah 2