Complex sentence: Shortly after the war ended, the Czechoslovak government incited the expelling from the country its large ethnic German minority, over half million people were forced to the German and Austrian borders and thousands were killed.
Split into simpler sentences: Shortly after the war had ended, the Czechoslovak government incited the expulsion of its large ethnic German minority from the country. Over half a million people were forced to march to the German and Austrian borders and thousands were killed.