Looking at source 1 and source 3, what is emphasized in the political cartoon that is absent in Jefferson's letter?

we need to see the paragraphs in order to answer this.

in our power to make a world happy - to teach mankind the art of being so - to a character hitherto unknown - and to have, as it were, a new creation intrusted to our hands, are honors that command reflection, and can neither be too highly estimated,

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