How did the ottomans most benefit from the expelled spanish jews in their empire?
these jews knew about valuable technology and had widespread financial connections.
these jews were highly educated and could serve effectively in government positions.
these jews included experienced soldiers who had served as high-ranking officers.
these jews had useful information about inner workings of the spanish government.

The correct answer is 1. These Jews knew about valuable technology and had widespread financial connections.

Explanation:

1. When the Jewish emigrants begin to arrive from Spain, they find a favorable reception, not only because there was already a considerable Jewish colony in the Empire but because Sultan Bayezid II sees that with the Jews he will receive technology, science, commerce, everything, in sum, they had made Spain great and he wanted so much. Thanks to his ingenuity and work, his ability as a financier and his medical knowledge, they served Turkey greatly. They arrived, little less than to also take some professions there.

d.summerains, the last one