Answer:
1. The Mongol Empire
2. Siegfried Marcus, Alexander Winton, and Arthur Constantin Krebs.
Step-by-step explanation:
1. The square mile is it covered some 9 million square miles and the region is Mongol empire, empire founded by Genghis Khan in 1206.
2. Siegfried Marcus 1864
Alexander Winton 1902
Arthur Constantin Krebs 1868