Conversation so far:
What is Hedin's connection to Nazi Germany?
Hedin met Adolf Hitler and other leading National Socialists repeatedly and was in regular correspondence with them.
What else did he do?
Hedin supported the Nazis in his journalistic activities.

Question: What was the result of this?
Self-contained rewrite: What was the result of Sven Hedin supporting the Nazis in his journalistic activities?