How have Christians and Muslims framed their profession that, respectively, God or Allah is King over all of life? This article addresses this question, first by surveying the relationship between church and government on the one hand, and mosque and government on the other.

After demonstrating the mission of Islam to make Europe an area of peace, this article shows that Islam brings with it a threat and a challenge. Through the doctrine of the Trinity, infant baptism, and the Christian view of the oneness of life, this article shows that the answers that Muslims seek are found here. Hence Christians must reach out to Muslims.