qnli question: Haredi and Chassidic communities are threatened by assimilation and intermarriage so they do not do what with non-orthodox populaions? sentence: In practice, the emphasis on strictness has resulted in the rise of "homogeneous enclaves" with other haredi Jews that are less likely to be threatened by assimilation and intermarriage, or even to interact with other Jews who do not share their doctrines.