Under (blank), the ottomans saw great advancement in the arts, architecture, and law. He also expanded the empire into (blank). The ottoman empire created a complex and efficient (blank) system. Ottoman sultans also promoted religious (blank)

Under Mehmed, The Conqueror, the Ottomans saw great advancement in the arts, architecture, and law. He also expanded the empire into Europe. The Ottoman Empire created a complex and efficient military system. Ottoman sultans also promoted religious freedom.

The empire didn't care much for religion as long as they paid the tax. Mehmed was an outstanding leader who didn't only conquer but that is the nickname he got for expanding into Europe efficiently.