After the black family was protected, black people took an active part in World War II. Even though they are still isolated, they can't go to the white swimming pool and school, but they have their own inviolable home. Because of this, they are willing to sacrifice their lives to defend the United States under the unfair environment of Pepsi, because the humble demands of former slaves are really ordinary and simple. 1926, white lawyers Clarence Danno and Thomas Chock defended black Henry Sweet, the core of which is the definition of good and evil, the distinction between justice and intolerance, and finally a group of intelligent creatures can judge that the bullets fired by black people who protect their houses are just.