The difference is one word: inter.
National Socialism and International Socialism.
If you are unfamiliar with Evan Sayet here are some good links:
Bill Whittle and Evan Sayet Distill the Kinder Garden of Eden in under 12 minutes
This goes really fast so PLEASE pay very close attention
Evan Sayet: Heritage Foundation: Regurgitating the Apple How Modern Liberals "Think" a talk (from 03/05/2007)
Andrew Breitbart called, "One of the five most important conservative speeches ever given"
Evan Sayet: A Deplorable Mind Amazon Prime Video
There are only three reviews:/ Please watch this video and leave a positive review to offset the other two negative reviews
Evan Sayet ~ The Conservative Forum ~ 7-12-2016
Insight regarding progressive hyphenated terms from Evan Sayet at 14:00 but watch the whole thing