The news article “Alarm in Nigeria over Trump threat” (Nov. 3) says that “analysts” say that “violence in the country has broadly impacted Nigerians, regardless of their religion.” The article says that “Ladd Serwat, senior Africa analyst for the Armed Conflict Location and Event Data project, said that claims of mass Christian fatalities are not backed up by data.” Contrary to the article, Nigeria has long been an epicenter of Christian persecution, according to the human rights organization Open Doors. According to an Intersociety report, there are at least 22 Islamic terror groups in Nigeria. More than 7,000 Christians were...