Another process that can result in the growth of a gap between people's expectations and capabilities involves an increase in expectations rather than a change in capabilities. Expectations are essentially a function of people's beliefs about what is possible and about what is “right.” Experiences that alter these conceptions can strongly influence people's expectations. One such experience communication with people from other societies where the level of material existence is higher or where a past revolution has resulted in a redistribution of wealth. Contact with other societies or with fellow citizens who have themselves been exposed to other ways of life can lead people to believe that improvements are possible. Communication with foreigners can also influence what people consider to be morally acceptable.