Dance Scene from 1943 Movie "Stormy Weather"

This clip from the 1943 Movie "Stormy Weather" is rarely seen online, but I always think that's a very important clip. In the scene, dancer's style is hard to define, if that's possible, I wish someone out there could tell me what specific dance type is this, right now, I can only calling the style "Juba Dance", 'cause that's when before all the dance style came out from a mixture dance, all different cultural background got involved to the development of American Dance form.

Видео Dance Scene from 1943 Movie "Stormy Weather" канала Jajambo