Which of these empires was the most difficult to govern?

Hello, I'd like to know which of these empires you think was the most difficult to govern. The reasons could be varied: different cultures, wars, geographical location, political system, religious reasons, neighboring countries, and other factors. 1.) Holy Roman Empire 2.) Russian Empire 3.) Ottoman Empire 4.) Byzantine Empire You are welcome to name other…

Questions on topics for the fifth component of the Abitur examination? (Reference subject: History)?

Hello, my dears, I'm currently in 12th grade and will soon have to submit my research question for the 5th PK. My reference subject will be history, and possible companion subjects include biology, geography, English, German, chemistry, art, and music. I originally wanted to discuss the significance of the two atomic bombs during World War…