DISCUSS VIETNAMESE AMERICANS, LAOTIAN AMERICANS AND CAMBODIAN AMERICANS.How is the first wave of Vietnamese refugees different from the second and later waves of Vietnamese refugees?LAOTIAN REFUGEES (p. 460-468)3) Why did the Hmong have a difficult time transitioning to life in the US? CAMBODIAN REFUGEES (p. 468-471)4) Why would some Cambodian refugees suffer from post-traumatic stress disorder?