The Balfour Declaration was a public statement issued by the British government during World War I announcing support for the establishment of a Jewish "national home" in Palestine, then an Ottoman region with a minority Jewish population. It read:
His Majesty's government view with favour the establishment in Palestine of a national home for the Jewish people, and will use their best endeavours to facilitate the achievement of this object, it being clearly understood that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities in Palestine, or the rights and political status enjoyed by Jews in any other country.
it being clearly understood that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities in Palestine
Palestine was merely Britain’s name for the Mandate, British Palestine, which ceased to exist with Israeli statehood. Palestine originated as a Roman name for ancient Israel, palaestina