Anschluss (] 'joining') is the annexation of Austria into Nazi Germany on 12 March 1938. The word's German spelling, until the German orthography reform of 1996, was Anschlu and it was also known as the Anschluss Osterreichs ( , German: "Austrian Annexation" ).

Can we draw the following conclusion?
Anschluss was hostile country take over.
Yes