Aliyah BeChomah

B'H' How are you? I have learned before there is a covenant that Israel cannot return to its land "in a wall" before Mashiach. What is considered a Chomah? Is this solely the military? Toda Rabbah

Shalom! 

Thank you for your question. 

You are referring to a Talmudic passage in Ketubot 110 known as “The Three Oaths.” 

Based on several verses from the book of “Song of Songs” it is taught that G-d imposed three oaths upon the world. Two of these oaths were relevant to Jews and one of them was relevant to the non-Jews of the world. The Jewish side of the oaths was that the Jewish people would not "ascend as a wall" to the reinhabit the Land of Israel nor would the Jewish people "rebel against the nations of the world." The non-Jews of the world were sworn not to "subjugate the Jews excessively." 

Most orthodox Jews rule that the passage is not legally binding nowadays for a variety of reasons, and permit (or at least tolerate) a Jewish state in the Land of Israel along with mass immigration to it. 

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