The "Hell Chosun" phenomenon and a desire among many South Koreans to immigrate have also been cited as an example of South Koreans' general lack of nationalistic patriotism towards their state. The lack of state-based nationalism manifests itself in diplomacy as well; the lack of a strong, resolute response by South Korea to North Korea's attacks against it in 2010 (i.e. the sinking of ROKS "Cheonan" and the bombardment of Yeonpyeong) has been attributed to the former's lack of state-aligned nationalistic sentiment, as these attacks were viewed as mere affronts against the state. In contrast, Japanese claims to South Korean-claimed territory are seen as affronts against the Korean race and are thus responded to with more vigor from South Koreans.