I think A looks about right tbh
<span>a church building recognized as a great architectural achievement of Justinian's reign</span>
Answer:
Mongol leader Genghis Khan (1162-1227) rose from humble beginnings to establish the largest land empire in history. After uniting the nomadic tribes of the Mongolian plateau, he conquered huge chunks of central Asia and China. ... Genghis Khan died in 1227 during a military campaign against the Chinese kingdom of Xi Xia.Like most steppe armies, the Mongols were primarily light horse archers. Their tactics exploited their abilities with archery and their mobility: They usually stayed out of reach of their opponents' weapons and used hit-and-run tactics in waves while showering the enemy with arrows.
Explanation: