Conversation so far:
What was Alfred Rosenberg's first wartime propaganda effort?
Alfred Rosenberg was one of the few in the Nazi hierarchy who advocated a policy designed to encourage anti-Communist opinion among the population of the occupied territories.
Who else in the Nazi party influenced Alfred Rosenberg?
Alfred Rosenberg was both an antisemite who was influenced by Houston Stewart Chamberlain's book The Foundations of the Nineteenth Century.
What was Alfred Rosenberg's main propaganda theme?
Alfred Rosenberg issued a series of posters for volunteer labour, with inscriptions like Come work with us to shorten the war, hid appalling realities faced by Russian workers in Germany.
Was there anything noteworthy about Alfred Rosenberg's wartime propaganda efforts?
One of Alfred Rosenberg's initiatives, the Free Caucasus campaign, was more successful, attracting various nationalities into the so-called Eastern Legion.

Question: What made it more successful than his other campaigns?
Self-contained rewrite: What made Free Caucasus more successful than Alfred Rosenberg's other campaigns?