Judaism is located wherever a Jew happens to practice it. You can find a few Jews in most countries of the world and many Jews in Israel and the United States, but also England, France, Russia, and a variety of other countries. Jerusalem is the traditional holy city of Judaism, and except when Jews were driven out by invading armies (Romans, Crusaders, and in the mid 20th century, Arabs), it has always been home to a number of Jews.
Judaism is called Judaism.
Judaism.
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Judaism is widely practiced today (21st Century). Also, separate from its practice, Judaism is arguably STUDIED today by more people than ever before in its history.
The people who follow Judaism are called Jews.
Rabbis.
For Judaism and Christianity it is Jerusalem. For Islam it is Mecca.
In the first half of the 20th century Conservative Judaism had fast growth. In the 1990's the Conservative Judaism was the largest denomination. Today it is not the largest denomination in America.
Israel; and after that, America.
Judaism.
Israel.
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