The first member of the Fujiwara Clan was Nakatomi no Katamari. He was a close friend of Emperor Tenji and supported him in his efforts of further centralizing and increasing the authority of the imperial government. Because of this, the Emperor granted him the highest charge in his court and gave him the Fujiwara surname. This clan managed to dominate the Japanese Imperial power for centuries by the practice of marrying their daughters to every emperor. Because of the family tradition of future emperors being raised in the household of the mother and having to be loyal to their maternal grandfather, they were always able to perpetuate their dominance through marriages with every future Emperor.
It claims that all people have the right and responsibility to change their situation if the political partnerships are no longer respecting the basic self truths of humankind.
Yes, it is true that the progressive income tax was aggressively sought by the Populist Party, since they thought that this would free the common man from financial instability.