The Kwakiutl recognised one social unit larger than the tribe-the confederacy,which wasa cluster of loosely knit,informally related neighbouring tribes who interacted with themselves more often than between other tribes.

a)tribe who interacted with themselves more often than between

b)tribes who interacted among each other more often,than among

c)tribes who interacted with one another more often than with

d)tribes,interacting among each other more often than between

e)tribes,interacting among one another more often than with

In general, how to choose among "between, among and with"?