Ramify

The cortical, hemispheral or superficial veins ramify on the surface of the brain and return the blood from the cortical substance into the venous sinuses.

to ramify an art, subject, scheme

And, of course, on such momentous occasions as these, Manning was in his element. None knew those difficult ropes better than he; none used them with a more serviceable and yet discreet alacrity. In every juncture he had the right word, or the right silence; his influence ramified in all directions, from the Pope's audience chamber to the English Cabinet.

My point here is that the field within which such determination takes place is not bounded to constitute a single discipline, a single academic elite, a single language domain, a single culture, a single historical period, but that that field ramifies out so as to encompass, ultimately, the entire history of the whole of humankind.