Which of the following BEST summarizes how political unrest affected samurai throughout Japanese history?

A
Samurai benefited from political unrest early in Japanese history by being given privileged status through fighting loyally for different leaders; later in the 19th and 20th centuries their importance to Japanese culture was reinforced by more stable central governments.
B
Samurai benefited from political unrest early in Japanese history by being given privileged status through fighting loyally for different leaders; political unrest led to their decline throughout the 19th century, but restored the popularity of their code in the 20th.
C
Political unrest was damaging to the samurai code of bushido throughout Japan's history; political feuding between different clans was what ultimately toppled the regime that had given them the most power.
D
Political unrest was damaging to the samurai code of bushido throughout Japan's history; samurai responded to this by creating the Black Dragon Society to enforce the rule of law and political stability in the country.