C. residency at camp David.
Answer:
B. 871 CE
Explanation:
Alfred the Great (848/849 – 26 October 899) was king of Wessex from 871 to c. 886 and king of the Anglo-Saxons from c. 886 to 899. He was the youngest son of King Æthelwulf of Wessex.
Mostly likely answer is: Diplomatic Immunity.
Revolts, economic lows, & powerful militaries
b: it controlled the city of constantinople