Because Jews are a diaspora that live around the world, and anyone with the dedication to do so may convert.
There are no rooms in Judaism. Judaism is a religion, not a building.
Judaism is called Judaism.
Opposite of the lack of Judaism? Judaism.
Judaism's real name, in English, is "Judaism".
Christianity and Judaism
Lots of those. In more or less the order of most traditional to least traditional, here are some: Modern Orthodox Judaism Masorti (Traditional) Judaism Conservative Judaism Reform Judaism Liberal Judaism Reconstructionist Judaism Renewal Judaism Humanistic Judaism
Judaism itself is one religion; the religion of Judaism. See also:Divisions within Judaism
Abraham is known as the father of Judaism, but there is no person known as "the leader of Judaism".
Judaism ... the religion of the Jewish People ... is comprisedof a single religion, known as "Judaism".Judaism ... the religion of the Jewish People ... is comprisedof a single religion, known as "Judaism".
Judaism.
There is no such concept in Judaism.
There is no king of Judaism.