Samuel Dickenstein at the meeting of the Anti-Nazi League in New York, 1940 (b/w photo)

New York City, New York (NY), United States of America Samuel Dickenstein, chairman of the congress for immigration and naturalization in the United States explained, on the 7th annual meeting of the 'Non-Sectarian Anti-Nazi League' at the Hotel Astoria in 1940 in New York using a map of the United States, where are listed the centers of the Nazi groups in the U.S. , that the most active and most dangerous elements of the fifth column of Hitler are not foreigners but could be found among American citizens who were sitting often in top positions. Dickenstein accuses the government of the Nazi Germany, Soviet Russia and Fascist Italy that they collaborate with subversive groups in the United States.