Answer:
1. Suleyman 'The Magnificient'.
2. Eastern Europe
3. government
4. tolerance
Explanation:
1- Under Suleyman 'The Magnificient', the Ottomans saw great advancement in the arts, architecture, and law.
2- He also expanded the empire into Eastern Europe.
3- The Ottoman Empire created a complex and efficient system government.
4- Ottoman sultan also promoted religious tolerance.