Explainer: the Mongols, a picture per page

The lines the agent sends:

say "The Mongols held the grass belt from Korea to Hungary."
>full
deck "The Mongols, by the map"
page "One belt of grass" body="The steppe runs from Korea to Hungary. Horses crossed it end to end."
shapes caption="Karakorum sat in the middle and rode out both ways."
shape@hu dot Hungary at=1,2 tone=mute
shape@ka circle Karakorum at=6,2 +grow +fill tone=butter
shape@ko dot Korea at=9,3 tone=mute
shape arrow from=ka to=hu +draw
shape arrow from=ka to=ko +draw
shape text Gobi at=6,4 tone=mute
page "The biggest one on land"
chart bar "Land empires, million km²" x=Mongol|Russian|Qing|Roman y=24|22.8|14.7|5
page "At its peak, 1279"
stat "24M km²" "A sixth of the land on Earth"
end

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