In the early days of the Ottoman Empire, the main goal of its leaders was expansion. ... It is believed that the Ottoman Empire was able to grow so rapidly because other countries were weak and unorganized, and also because the Ottomans had advanced military organization and tactics for the time.
In the 14th century, the devshirme system was created. This required conquered Christians to give up 20 percent of their male children to the state. The children were forced to convert to Islam and become slaves. Although they served as slaves, some of the converts became powerful and wealthy.
