What years did the weimar republic exists?

What kind os source would a historian use to get a firsthand account of a past event

One idea which permiates mande culture is the idea of dual gendered twinship. true false

Based on a comparison of the myths “the maori: genealogies and origins in new zealand” and “the raven and the first men: the beginnings of the haida,” if the maori and the haida people decided to create a myth together, what would most likely be the value expressed?