Art, math, science, maybe psychology
Answer: Defiance Campaign 1952. The post-1948 period saw the African National Congress (ANC) abandoning its traditional reliance on tactics of moderation such as petitions and deputations. In December 1949, with the support of the ANC Youth League, a new leadership came to power in the ANC. Walter Sisulu was elected secretary-general and a number of Youth .
Explanation:
The sinking of the U-boat by the Germans, the U-boat had about 100 Americans in it and they were killed.
