The ancient Jewish Kingdom in the Palestine contributed to the Arab-Israeli conflict which led Jewish people to have an argument for settling on the lands occupied by Arabs.
Option A is correct.
Arab-Israeli conflict was happened in the year 1948 between Arabs and Israelis.
In the twentieth century, the Jews had settling on the lands being takeover by the Arabic people which contributed to the development of conflict between Arab-Israel.
Therefore, the explanation given in option A is correct.
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