The movement bore the true message of socialism to the German workingman . " Nazism 's appeal to the professional classes was just as strong . Raymond Dominick , a historian specializing in the history of German environmentalism , found that by 1939 , 59 percent of conservationist leaders had joined the Nazi party , while only 10 percent of adult males had .

Options:
- To learn more about food .;
- To learn more about history .;
- To learn more about culture .;
- None of the above choices .;
Q: What may be the readon for reading this ?
To learn more about history .