This does not take place in Japan, Shogun Hojo is not affiliated with the Hojo Clan of Sengoku (it was a placeholder name anyway), and Hanzo Hattori would not have existed in this universe.

If you want to be a ninja, do you think you'd be more interested in being the personal assassin of a daimyo/samurai/ronin, or do you think you would want to be part of one of the many secretive clans located throughout the land? Or would you want to be a lone wolf with your own agenda?