How effective was Nazi propaganda?

Please answer this one question. I added the sources below to use for the

response. No need to implement sources in this discussion. I chose the Nazi song from, The Horst Wessel Song (Flags Up)

Question : "How effective was Nazi propaganda? Pick one of the songs or posters provided in this lesson that you find particularly striking, attention-grabbing, catchy, etc., and tell us why you made that choice."

Links :

1.http://www.historyinanhour.com/2013/02/23/horst-wessel-song/

2.http://www.nationalanthems.info/de-naz.htm

3.https://en.wikipedia.org/wiki/Horst-Wessel-Lied