Rubuta ci gaba don wannan sakin layi - Kodayake kungiyar Achaean ta yi yaƙi da Makidoniya tsawon shekaru da yawa, Aratus ya aika da jakadancin zuwa Antigonus III a 226 BC yana neman kawancen da ba a zata ba yanzu da sarkin gyarawa Cleomenes III na Sparta ke barazana ga sauran Girka a cikin Cleomenean War
(229 <unk> 222 kafin haihuwar Yesu). A musayar taimakon soja, Antigonus III ya buƙaci dawo da Koranti zuwa ikon Macedonia, wanda Aratus ya yarda da shi a ƙarshe a cikin 225 BC. Antigonus na III na farko da ya yi yaƙi da Sparta shi ne kama Arcadia a cikin bazara na 224 BC. Bayan sake fasalin ƙungiyar Hellenic a cikin irin wannan yanayin kamar Philip II na League of Corinth da kuma hayar sojojin haya na Illyrian don ƙarin tallafi, Antigonus III ya sami nasarar kayar da Sparta a Yaƙin Sellasia a 222 BC. A karo na farko a tarihin Sparta, wani baƙon iko ya mamaye garinsu, ya maido da matsayin Makidoniya a matsayin babbar iko a Girka. Antigonus ya mutu shekara guda bayan haka, wataƙila daga tarin fuka, ya bar wa wanda ya gaje shi, wato Philip na Biyar mulkin Helenanci mai ƙarfi.