Nineteenth century "armchair anthropologists" were concerned with the basic question of how religion originated in human history. In the twentieth century their conjectural histories were replaced with new concerns around the question of what these beliefs and practices did for societies, regardless of their origin. In this view, religion was a universal, and while its content might vary enormously, it served certain basic functions such as the provision of prescribed solutions to basic human psychological and social problems, as well as expressing the central values of a society. Bronislaw Malinowski used the concept of function to address questions of individual psychological needs; A.R. Radcliffe-Brown, in contrast, looked for the function (purpose) of the institution or custom in preserving or maintaining society as a whole. They thus disagreed about the relationship of anxiety to ritual.