Answer: The equator.
Explanation: The equator (0° latitude) divides the globe into Northern and Southern hemispheres.
I'm not very sure of the answer but i did find a timeline that might help you figure out who ruled from the 1200s to the mid 1300s.
https://web.cn.edu/kwheeler/timeline_1200.html
Answer:
a body of fundamental principles or established precedents according to which a state or other organization is acknowledged to be governed.
Explanation:
"Britain lacks a codified constitution"
