What caused the economy of the Ottoman empire to vastly improve?

The empire's success lay in its centralized structure as much as its territory: Control of some of the world's most lucrative trade routes led to vast wealth, while its impeccably organized military system led to military might. The rest of the Ottoman Empire's elite had to earn their positions regardless of birth.

Explanation:

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answer; ///i believe that the correct answer is (a) the great depression

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