It's because polished white rice took more effort to make, so it was more expensive, so it became associated with the upper classes and success. http://ask.met

It's because polished white rice took more effort to make, so it was more expensive, so it became associated with the upper classes and success. http://ask.metafilter.com/149004/History-of-white-not-wholegrain-rice-in-Japan http://ask.metafilter.com/149004/History-of-white-not-wholeg...