Like many nomadic pastoral cultures, the Mongols had a segmentary society, originally organized into a hierarchy of families, clans, tribes, and confederations. While social classes including nobility, herders, artisans, and slaves existed, the social structure was not completely rigid and social mobility was possible.
The Charleston" and it was done in a style similar to Ragtime music<span>. Ragtime </span>music was popular<span> up until the late 1910s and was a heavy influence on dance </span>music<span> of the early </span>1920s<span>, while jazz heavily influenced dance </span>music<span> in the late </span>1920s<span>.</span>
Both implies two so your answer is two
