Christianity and Islam.
Christianity acknowledges that Judaism began with Abraham as the first person after Noah to have a personal relationship with God.
Yes. Judaism developed in Egypt, Israel, and Iraq. Christianity developed in Israel and Turkey.
For Judaism, this link has the details:http://judaism.answers.com/jewish-history/a-biography-of-abraham
Christianity and Judaism
Judaism started in Egypt. Christianity started in what is called currently Palestine territories.Another viewIn the area now known as Israel/Palestine
Islam, Judaism and Christianity.
Abrahamic religions include Judaism, Christianity, Islam and the Baha'i faith. Christianity recognize Judaism but not Islam. Islam recognizes Judaism, Christianity but not Baha'i faith. And finally Baha'i faith recognizes Judaism, Christianity and Islam all together. And obviously he did not start anything. He simply preached the word of God, i.e. the holy revelations.
The Pope has called Judaism "Christianity's older sister," since Christianity bases much of its content on Judaism.
Christianity does not struggle with Judaism.
Judaism, Christianity, and Islam have all claimed the Holy Land for themselves.
Judaism is where Christianity had originated from. The Religions as far as god start from the Jewish, then to Christianity, which branches to Catholicism which then branches to all kinds of Christian faiths. But, to answer the question bluntly, it started with Judaism.