▁diplom atic ▁miss ions ▁in ▁each ▁other ' s ▁capit als ▁respectively . ▁During ▁the ▁ 1 8 6 0 s , ▁both ▁nations ▁were ▁the ▁only ▁Latin ▁American ▁countries ▁to ▁be ▁govern ed ▁by ▁monarch s ; ▁in ▁Brazil ▁by ▁em peror ▁Pedro ▁II ▁and ▁in ▁Mexico ▁by ▁Emperor ▁Maxim ilian ▁I ; ▁both ▁em per ors ▁being ▁c ous ins . ▁ ▁In ▁ 1 9 1 4 , ▁Brazil ▁belonged ▁to ▁a ▁regional ▁group ▁called ▁the ▁ABC ▁nations ▁( which ▁also ▁included ▁Argentina ▁and ▁Chile ). ▁These ▁three ▁nations ▁made ▁up ▁the ▁rich est ▁and ▁most ▁influ ential ▁nations ▁in ▁South ▁America ▁at ▁the ▁time . ▁That ▁year , ▁the ▁ABC ▁nations ▁interven ed ▁in ▁a ▁diplom atic ▁dispute ▁between ▁the ▁United ▁States ▁and ▁Mexico ▁who ▁were ▁on ▁ver ge ▁of ▁war ▁over ▁the ▁T amp ico ▁Aff air ▁and ▁the ▁subsequent ▁occupation ▁of ▁Ver ac ru z ▁by ▁US ▁forces . ▁The ▁ABC ▁nations ▁met ▁with ▁represent atives ▁of ▁the ▁United ▁States ▁and ▁Mexico ▁in ▁Ni ag ara ▁F alls , ▁Canada ▁to ▁ease ▁the ▁t ension ▁between ▁the ▁two ▁nations ▁and ▁to ▁avoid ▁war , ▁which ▁afterwards ▁did ▁not ▁occur . ▁ ▁Between ▁ 1 9 1 0 – 1 9 2 0 , ▁diplom atic ▁relations ▁between ▁Brazil ▁and ▁Mexico ▁were ▁sever ed ▁during ▁the ▁Mexican ▁revolution . ▁Diplom atic ▁relations ▁were ▁re - re est ab lished ▁in ▁ 1 9 2 0 ▁when ▁Brazil ▁recognized ▁the ▁new ▁Mexican ▁government . ▁In ▁ 1 9 2