Kammala wannan jumla: Sojojin kasashen biyu sun tsallaka iyakar. Sojojin Mexico da Confederate sukan yi karo da juna a lokacin yakin basasar Amurka, kuma Amurka ta tsallaka iyaka a lokacin yakin Faransa a Mexico. A watan Maris na 1916 Pancho Villa ya jagoranci wani hari a kan garin Columbus na iyakar Amurka, New Mexico, wanda ya biyo baya
tafiyar Pershing. Sauya Rio Grande tun lokacin da aka sanya hannu kan Yarjejeniyar Guadalupe ya haifar da rikici a kan iyaka tsakanin jihohin New Mexico da Texas, wani shari'ar da ake kira Country Club Dispute wanda Kotun Koli ta Amurka ta yanke a 1927. Rikici game da da'awar ba da tallafin ƙasa a cikin New Mexico ya ci gaba har zuwa yau.