[Moonman62]

And one of the spears of that is to out-reproduce the other cultures.

And have the other cultures pay for it when possible.

[grasshopper2]

And one of the spears of that is to out-reproduce the other cultures.

And have the other cultures pay for it when possible

I'm reminded of a type of bird that lays it's egg in the next of another bird. The foreigh bird is cared for by the foster mother bird and then eats the foster siblings. Does anybody know the name of this bird?