Hitler's Map of the planned “Greater German Reich”. He would have taken it all under his control as plan for the Aryan race. Part radical socialism, fascism and right wing racist. After WWI paramilitary groups began in Germany .
Arabic Dialects - Arabic forms a dialect continuum, so people might understand neighbouring dialects but ones further away - eg Moroccan and Syrian are not mutually intelligible. In reality Arabic is not one language but several.