Complex sentence: The Golden Square was a group of four officers of the Iraqi armed forces who played a part in Iraqi politics throughout the 1930s and culminated in supporting Rashid Ali al-Gaylani in his overthrow of government in 1941.
Split into simpler sentences: The Golden Square was a group of four officers of the Iraqi armed forces who played a part in Iraqi politics throughout the 1930s and early 1940s. The activities of the Golden Square culminated in supporting Rashid Ali al-Gaylani in his overthrow of government in 1941.