In the japanese fuedal system, to whom did local pledge their loyalty

Shogun's

Explanation:

It might be said that under the emperor was the Shogun and below this man were the Daimyo (nobles). Daimyos were landowners who responded to the Shogun. under the Daimyo came the warriors, samurai who were loyal to him. As the last members of this social system, we can placed merchants, peasants and artisans.  

the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.