Shas Yosef received strategic help and guidance from Rabbi Elazar Shach, leader of Israel's non-Hasidic Haredi Ashkenazi Jews. Yosef founded the party in 1984 on the platform of a return to religion, and as a counter to an establishment dominated by Ashkenazi Jews of European extraction. Not all Shas voters are themselves ultra-Orthodox. Many of its voters are Modern Orthodox and traditional Mizrahi and Sephardi Jews, due to its alignment with the promotion of an "authentic Middle Eastern" Israeli culture, which fits with traditional Zionist beliefs of a revival of authentic, non-Europeanized Jewish culture. However, it still represents the Sephardi and
Ethnoreligious group and ancestral ties. The legal assignement what is an ethnoreligious group can differ from the above given definition. Some ethnoreligious groups' identities are reinforced by the experience of living within a larger community as a distinct minority. Ethnoreligious groups can be tied to ethnic nationalism if the ethnoreligious group possesses a historical base in a specific region. In many ethnoreligious groups emphasis is placed upon religious endogamy, and the concurrent discouragement of interfaith marriages or intercourse, as a means of preserving the stability and historical longevity of the community and culture. Prior to the Babylonian exile the Israelites had already