(2) make Africa lose a lot of labor; Africa's economy is declining, and it is becoming more and more poor and backward.

(3) German fascists committed heinous crimes against Jews and even mankind under the guidance of Nazi racial theory. Future generations should remember this bloody and dark history and be alert to the recurrence of historical tragedies. It inspires us to abandon the ugliness of ethnic discrimination and prejudice, spurn the ambition of annexation and aggression, respect the right of other ethnic groups to survive and develop, and cherish the self-improvement and independence of the motherland.