"Which" implies a choice of answers. What are the choices? Do you mean "What was the forerunner of the UN?" If so, you are probably looking for 'the League of Nations'.
League of Nations
The Forerunner was created in 1981.
Forerunner can be put in a sentences like this "The forerunner is most likely to win the race''.
Forerunner Stakes was created in 1950.
Forerunner - comics - was created in 2007.
John the Baptist was the forerunner of Christ. The three-wheeler was a forerunner of the modern recreational ATV.
They played the forerunner of Lacrosse.
The Tagalog definition of "forerunner" is "tagasunod."
Forerunner is accented on the first syllable.
The forerunner of the United Nations was called the League of Nations.
It was believe that the forerunner of the UN (aka. the league of nations) failed because 1. It did not have anything to threaten warmongers with (i.e. it could not force someone to follow its rules since it did not have anything to force it with) 2. The USA (which was one of the founders of the league of nations) was not a member of it. This was due to the fact that while Woodrow Wilson, the president of the USA which founded the League, was a democrat and the presidents which came after him (republicans) did not agree with him and so refused to join the league.
i am a forerunner on halo reach and I'm a girl, i specially see guys as a forerunner on reach, so yes they are males and females as a forerunner. (: