Which one of the following provides an example of a research study that has conclusion most analogous to that argued for by the historians mentioned? A. a study showing how musical forms brought from other countries have persisted in the United States B. a study showing the organization and function of ethnic associations in the United States C. a study showing how architectural styles brought from other counties have merged to form an American style D. a study showing how cultural traditions have been preserved for generations in American ethic neighborhoods E. a study showing how different religious practices brought from other countries have been sustained in the United States