How did the balfour declaration contribute to tension between jews and arabs?

it created the state of israel.

it supported the establishment of a jewish homeland in palestine.

it created unlimited zionist movements throughout the middle east.

it assimilated jews into arab culture.

The good answer is: It supported the establishment of a Jewish homeland in Palestine.

Explanation:

On November 2, 1917, still during the First World War, the British government made a public statement called the Balfour Declaration, in which it supported the establishment of a Jewish national home in Palestine that was by then an Ottoman territory. The declaration brought legitimacy and drew international attention to the Zionist movement.