Ambos Nogales - World War I In North America?

Today ACE does another historical video, this time on the relatively obscure but lengthy history leading up to the Battle of Ambos Nogales and the long term implications this border incident would have.

Links:

Smithsonian Magazine article (archived):
https://web.archive.org/web/20200101192207/https://www.smithsonianmag.com/history/raging-controversy-border-began-100-years-ago-180969343/

Germany, Mexico, and the United States, 1911-1917 by John Joseph Leffler, 1982:
https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=4205&context=open_access_etds

Huachuca Illustrated, volume 2, 1996 The Battle of Ambos Nogales:
https://net.lib.byu.edu/estu/wwi/comment/huachuca/HI2-06.htm

Encyclopedia.com entry on the Plan of Agua Prieta:
https://www.encyclopedia.com/humanities/encyclopedias-almanacs-transcripts-and-maps/plan-agua-prieta