Answer:
Trade and Military.
Explanation:
The Ottoman Empire gained wealth with trade. They took control of important trade routes (for example, capturing Constantinople) and had them (Europeans) pay high taxes. They exported furs, tobacco, silk, cotton, and silk.
The Ottoman Empire was available to gain power with its military. The military was strong for using new technology like gunpowder. In order to be successful to raid areas and gain power, they must have had a strong and big military.
