Kammala jumla mai zuwa: Gwagwarmayar cikin gida bayan yaƙin ta biyo bayan kwanciyar hankali a ƙarƙashin Jam'iyyar Civilista, wanda ya ci gaba har zuwa farkon mulkin kama karya na Augusto B. Leguía. Babban mawuyacin hali ya haifar da faduwar Leguía, sabunta rikice-rikicen siyasa, da kuma fitowar kungiyar American Popular Revolutionary Alliance (APRA). Gwagwarmayar da ke tsakanin wannan ƙungiyar da haɗin gwiwar manyan mutane da sojoji sun bayyana siyasar Peruvian na shekaru talatin masu zuwa. Yarjejeniyar zaman lafiya ta ƙarshe a cikin 1929, wacce aka sanya hannu tsakanin Peru da Chile da ake kira Yarjejeniyar Lima, ta dawo da Tacna zuwa Peru. Tsakanin 1932 da 1933, Peru ta shiga cikin wani
Yaƙin shekara guda da Colombia game da takaddamar yanki da ta shafi Sashen Amazonas da babban birninta Leticia.