Stoops was born, raised, and educated in the Mountain West and therefore easily dealt with cowboy-type subjects. As an artillery officer in the Great War he, like Dunn, could convincingly portray scenes of that conflict. And because he lived in New York City from the 1920s onward, he also was capable of illustrating sophisticated urban life.
Here is an illustration combining the wild west and urban sophistication.
While collecting Stoops images from the Internet, I noticed that quite a few lacked rip-roaring action. Instead, they were quiet settings showing seated couples.