Conversation so far:
What was the political views of Sven Hedin?
Sven Hedin was a monarchist.
Which Monarchs or politicians did Sven Hedin support ?
Sven Hedin wrote the Courtyard Speech, in which King Gustaf V promised to strengthen the country's defenses.
King Gustaf V was the king of which country ?
He holds the record of being the oldest monarch of Sweden and the third-longest reigning after Magnus IV and Carl XVI Gustaf.
What was some of Sven Hedin's controversial political views ?
Sven Hedin viewed World War I as a struggle of the German race and took sides in books like Ein Volk in Waffen. Den deutschen Soldaten gewidmet.
Are there any other interesting aspects about Sven Hedin's political views?
As a consequence, Sven Hedin lost friends in France and England and was expelled from the British Royal Geographical Society, and from the Imperial Russian Geographical Society.

Question: Why was he expelled from these socities ?
Self-contained rewrite: Why was Sven Hedin expelled from the British Royal Geographical Society and the Imperial Russian Geographical Society?