 Complete the following phrase:  Until 1990 most Nepali churches were non-denominational and independent; since then numerous denominational groups have entered Nepal, leading to concern among Nepali Christian leaders about sectarianism and church-splitting. There have been claims that denominational groups have offered ficial incentives to church leaders  often in the form of funds for church buildings, or educational scholarships  to encourage them to change denominations. Additionally, some denominational missionary groups not associated with UMN or INF have adopted methods of relief or development work arousing widespread social concern, particularly in the wake of the 