Yakuza

This is about the Yakuza and the evolution from many different crime families into 1 large organised crime syndicate.

Yakuza Federation
The Yakuza Federation was made up to avert another disasterous war between the families.

The triangles represent the 5 families, Yamaguchi-gumi, Sumiyoshi-rengo, Inagawa-kaï, Aizukotetsu-kai and Tōa-kai, while the blue triangle represents the federations ruling family for the year.

Activities
Their criminal activities extend to Protection rackets, drug trafficking, prostitution, human trafficking, blackmail, loan sharking, illegal gambling as well as many other crimes

See also:
http://en.wikipedia.org/wiki/Yakuza