sentences:  After the First World War and dissolution of Austria-Hungary, most Croats were united within the Kingdom of Serbs, Croats and Slovenes, created by unification of the short-lived State of SHS with the Kingdom of Serbia.Croats became one of the constituent nations of the new kingdom.The state was transformed into the Kingdom of Yugoslavia in 1929 and the Croats were united in the new nation with their neighbors – the South Slavs-Yugoslavs.