in prehistoric art all figures are well illustrated

No such thing as Prehistoric art. They communicated by drawing on rocks. They built things as altars. But since we know about it, it's not prehistoric, it's historic.

to show art to history

Both forms of art tell a story. They both are an expression of the artist's inner world. In other words: prehistoric art and modern art both convey ideas.

Walter Ralph Bleckman has written:

'Some Dongson motifs' -- subject(s): Animals in art, Antiquities, Art, Oriental, Art, Prehistoric, Oriental Art, Prehistoric Art