Americans talked incessantly about the need for force in response. This quest for honour was a major cause of the war in the sense that most Americans who were not involved in mercantile interests or threatened by Indian attack strongly endorsed the preservation of national honour. The humiliating attack by HMS "Leopard" against USS "Chesapeake" in June 1807 was a decisive event. Historians have documented the importance of honour in shaping public opinion in a number of states, including Massachusetts, Ohio, Pennsylvania, and Tennessee, as well as the territory of Michigan. The successful conclusion of the war, especially the spectacular defeat of the main British invasion army at New Orleans, did restore the American sense of honour. The British showed a respect for American honour. "Some of the strongest praise for America and swiftest recognition of what the young republic had achieved for American honor, prestige, and power came from within British naval circles." Britain refrained from interfering with American maritime interests and ceased with the impressment of American citizens following the war. A 2016 study suggests that honour culture increases the risk of war. The study found that international conflicts under U.S. presidents who were raised in the American South "are shown to be twice as likely to involve uses of force, last on average twice as long, and are three times more likely to end in victory for the United States than disputes under non-Southern presidents. Other characteristics of Southern presidencies do not seem able to account for this pattern of results." Working towards eliminating violence against women in the name of honour was the aim of United Nations resolution 55/66 in 2001 which was adopted by the General Assembly. In contemporary international relations, the concept of "credibility" resembles that of honour, as when the credibility of a state or of an alliance appears to be at stake, and honour-bound politicians call for drastic measures. Compare the concepts of integrity and face in stereotyped East Asian cultures, or of mana in Polynesian society. The ancient Greek concepts of honour ("timē") included not only the exaltation of the one receiving honour, but also the shaming of the one overcome by the act of hubris. This concept of honour resembles a zero-sum game. In ancient China during the Warring States period, honour in battle was one of the many forms of virtue practised by the nobility. In one oft-cited example, Duke Xiang of the Song state chose not to take the enemy by surprise; instead, he and his forces waited for the enemy to go across the river.