His inoffensive personality caused him to make many friends, but he suffered tragedy in his personal life and as president subsequently made decisions which were widely criticized and divisive in their effects, thus giving him the reputation as one of the worst presidents in U.S. history. Pierce's popularity in the North declined sharply after he came out in favor of the Kansas-Nebraska Act, repealing the Missouri Compromise and reopening the question of the expansion of slavery in the West. Pierce's credibility was further damaged when several of his diplomats issued the Ostend Manifesto. Historian David Potter concludes that the Ostend Manifesto and the Kansas-Nebraska Act were "the two great calamities of the Franklin Pierce administration.... Both brought down an avalanche of public criticism."
pinangunahan ng Athens ang Delian League; pinilit ng Athens na magbayad ng buwis ang mga kasapi sa Delian League at kinamkam nila ang mga lupain ng mga tunay na may ari; ang Delian League ay nagging daan sa pagpapalawig ng imperyong pangkalakalan ng Athens; nagresulta ng digmaan ang alitan sa pagitan ng mga lungsod estadong kasapi sa Delian League at ng Athens; 431 B.C.E sumiklab ang Digmaang Peloponnesian; nagsamasama ang mga lunsod-estado sa Peloponnesus at ang Sparta ang napili nila na mamumuno sa kanila laban sa Athens at natalo ng Sparta ang Athens; nagpatuloy ang sigalot sa iba’t-ibang lungsod estado hanggang sa bumagsak ang pamumuno ngSparta sa Labanang Leuctra noong 371 B.C.E.