Wiktionary
yankeedom
n. 1 The region inhabited by Yankees. 2 The condition, state, sphere, or influence of Yankees or of being a Yankee. 3 Yankees collectively.
Usage examples of "yankeedom".
Now this one was crowded with the score of Draka who would put this particular piece of Yankeedom under the Yoke.
Away out in Virginia where I was born, before the Southern States were subjected to Yankeedom, it was a glorious thing merely to be alive.
I never really enjoyed as long as I stayed in Liverpool, where it seemed to be that the quintessence of nasal and hand-shaking Yankeedom was gradually filtered and sublimated through my consulate, on the way outward and homeward.