Which BEST explains why Israel became a nation-state in Palestine after 1948?

Responses
A After the Ottoman empire was dismantled after World War I a new Jewish nation-state was created.After the Ottoman empire was dismantled after World War I a new Jewish nation-state was created.
B Palestine was divided into two nation-states to be occupied by the Soviet Union and the United States after World War II.Palestine was divided into two nation-states to be occupied by the Soviet Union and the United States after World War II.
C Fears that Palestine was becoming a communist state led the United States into creating Israel as a democratic country in the Middle East.Fears that Palestine was becoming a communist state led the United States into creating Israel as a democratic country in the Middle East.
D The United Nations decided that Jewish people needed a homeland after six million Jews were killed during the Holocaust.

D The United Nations decided that Jewish people needed a homeland after six million Jews were killed during the Holocaust.