Conversion to Christianity was among such policies. As with most issues dealing with Native Americans, the picture is not complete without providing some insight into both the traditional and legal backgrounds. Many denominations of mainstream Christianity made initial forays into Indian Country in the attempt to convert Native Americans to Christianity and as part of federal policy. The success of these efforts is reflected by the single Christian creed professed by various tribes. For example, many Omahas originally adhered to Mormonism.