“When the early missionaries and the Colonial masters visited the land,” says Rev. Abare Kallah, of the Christian Association of Nigeria, “there were a lot of things they told us not to do, but they didn’t tell us why not to do those things.” In this, the first in our series “In Context,” Rev. Kallah explains how an alliance between missionaries and the British Colonizers set up a systemic divide between Christians and Muslims in Nigeria.