Complex sentence: The DP, who criticized the houses for closely identifying with the RPP, rejected the proposal; people's houses and property were confiscated once the DP gained a majority in the Turkish Grand National Assembly in 1951.
Split into simpler sentences: The DP, who criticized the houses for closely identifying with the RPP, rejected the proposal. The property of people's houses confiscated, after the DP had the majority in the Turkish Grand National Assembly in 1951.