They had a very bad agreement that's for sure
The correct answer is daimyo, samurai, and shoguns.
The correct answer is Siddhartha Gautama.
Gautama was born in modern day Nepal and was the son of a Chieftain. He eventually left the life of worldly possessions and went on a journey of discovery. His teachings would eventually become Buddhism and revolve around four noble truths and a path to peace and understanding.
I believe the answer is B