That there is but one God, creator of all things.
Belief in God and in the Torah.
Only One God.
The lord God or Yahweh is the diety in Judaism.
Judaism was established by Jehovah God.
God, they just don't believe Jesus was the messiah.
Jerusalem
Israel
Rabbis and cantors
Of course not.
The is no such thing as a "judaism".
Jerusalem is traditionally the capital of Judaism. After the Pesah (Passover) meal, Jews will always say "Next year, in Jerusalem!". :) Hope I helped.
Judaism does not have a centralized leadership.