Which of the Following Led European Jews to Migrate to Palestine

Which of the following led European Jews to migrate to Palestine during the first half of the twentieth century?

A) They believed that returning to their place of origin would lead to self-determination.
B) They sought assimilation into an existing regional Semitic culture.
C) They wished to create a new European colony in the Middle East, to replace the Ottoman Empire.
D) They hoped to learn Palestinian agricultural techniques, in order to achieve economic success.