The primary purpose of the passage is to A. describe recent developments in the Korean American community that have strongly affected other ethnic communities of immigrant derivation B. describe a situation in the Korean American community that presents a model for the empowerment of ethnic communities of immigrant derivation C. detail the problems faced by the Korean American community in order to illustrate the need for the empowerment of ethnic communities of immigrant derivation D. argue against economic and social injustice in the countries of origin of ethnic communities of immigrant derivation E. assess the impact of the unionization movement on ethnic communities of immigrant derivation