Those that spoke French went one way. Those that spoke German went a different way. Those that spoke Spanish went a different way.
Don't forget that that would be modern French, German and Spanish.
The above ontological example models the zero premise to BB theory. It does so by applying the relative uniformity assumption that the alleged zero event eventually ontologically progressed from the compressed alleged sub-microscopic chaos to bloom/expand into all of the present observable order, more than it models the Biblical record evidence for the existence of Jehovah, the maximal Biblical god designer.