Hebrew had the advantage of being a common language for groups of immigrants who otherwise had no language in common (Yiddish vs. Ladino vs. various varieties of Arabic).
Czech wasn't by any means a dead language; German may have been the language of high culture and business in Bohemia/Moravia, but you still had a Czech-speaking peasantry.
Czech wasn't by any means a dead language; German may have been the language of high culture and business in Bohemia/Moravia, but you still had a Czech-speaking peasantry.