Complex sentence: Afterwards, they re-established the Albanian state as a protectorate of the Kingdom of Italy, then installed a quisling regime headed by the biggest landowner in the country, Shefqet Vërlaci.
Split into simpler sentences: Afterwards, they re-established the Albanian state as a protectorate of the Kingdom of Italy. They then installed a quisling regime headed by the biggest landowner in the country, Shefqet Vërlaci.