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.

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!