What did the world's scientific community discover in 1939? why was this a concern?

Early in 1939, the world's scientific community discovered that German physicists had learned the secrets of splitting a uranium atom. Fears soon spread over the possibility of Nazi scientists utilizing that energy to produce a bomb capable of unspeakable destruction.

Scientists ALBERT EINSTEIN, who fled Nazi persecution, and ENRICO FERMI, who escaped Fascist Italy, were now living in the United States.

-18 metres sorry if im wrong

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.