Conversation so far:
What is Sven Hedin's connection to the time of Nazi Germany?
Adolf Hitler had been an early admirer of Hedin, who was in turn impressed with Hitler's nationalism.
What else did Sven Hedin do besides being impressed with Hitler's nationalism?
Hedin met Adolf Hitler and other leading National Socialists repeatedly and was in regular correspondence with them.

Question: What was the result of this?
Self-contained rewrite: What was the result of Sven Hedin meeting Hitler and other leading National Socialists?