How do confucian teachings about filial piety and family as the foundation of society apply in a country where hundreds of millions of people are separated from their families for most of the year?

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

it was the shinto. the answer is c.