Pestel and his followers were against the US federation model in peaceful times as threatening by the split of the would-be Russian/United Slavic federation and approved Agree_or_refuse_to_act the US revolutionary Change_of_leadership model only .

The Society of United Slavs ( also known as the Slavic Union ) was established Creating in Novograd-Volynsky in the Ukraine in 1823 .

Its never written program Social_event was similar to that of the Southern Society but the main emphasis was on the equal federation of Russia ( including Ukraine ) , Poland , Moldova ( including Bessarabia ) with the attachment of Valahia , Transilvania , Hungary ( including Slovakia , Slovenia , Voevodina , Kraina ) , Croatia , Serbia , Dalmatia , Cheske , Moravia i.e. , all Slavic countries with the exception of Bulgaria and Macedonia in the future .

This society joined Becoming_a_member the Southern Society and adopted Choosing its program Social_event in exchange Exchange for the recognition of the Slavic federation zeal by the Southern society in September 1825 .

The Germans justified Justifying these genocides Killing on the basis of Nazi racial theory , which regarded Poles and other Slavic peoples as racially inferior `` Untermenschen '' and depicted Create_artwork Jews as a constant threat Warning .

They did this through the `` Hunger Plan '' which aimed Aiming at largely replacing Change the Slavic population with German settlers .

970 until 1018 , a series of conflicts Hostile_encounter between the Bulgarian Empire and the Byzantine Empire led to Causation the gradual conquest Conquering of Bulgaria by the Byzantines , who thus re-established Recovering their control Control over the entire Balkan peninsula for the first time since the 7th-century Slavic invasions Attack .

With the collapse Destroying of the first Bulgarian state , the Bulgarian church fell under the domination Control of Greek ecclesiastics who took Conquering control Control of the see of Ohrid and attempted to replace Change the Bulgarian Slavic liturgy with a Greek liturgy .

Mieszko I , Poland 's first documented Recording ruler based in Greater Poland , had successfully campaigned Military_operation in the Cedynia area , then a West Slavic tribal territory also coveted by Holy Roman Emperor Otto I and German nobles .

Austria-Hungary , although not a combatant , became Becoming relatively weaker as a much enlarged Expansion Serbia pushed Motion for union of the South Slavic peoples .