The correct answer to this open question is the following.
Different ethnic groups resisted the Ottoman Empire in the 1800s because they considered themselves independent ethnicities that did not accept the Ottoman rule in their territories. We are talking about ethnic groups such as the Armenians and the Kurds. At the end of the 1800s, the Ottoman Empire exerted great power and dominion over the territory of what today is Turkey. the Middle East, parts of Northern Africa, and some territories in eastern Europe. However, soon, different ethnicities started to confront the Ottoman's rule.