With what? It don’t show the picture
Explanation:
Organizers called the demonstrators the "Bonus Expeditionary Force", to echo the name of World War I's American Expeditionary Forces, while the media referred to them as the "Bonus Army" or "Bonus Marchers". ... The principal demand of the Bonus Army was the immediate cash payment of their certificates.
Your answer should be - Cooked air rises creating a high pressure system below