Complex sentence: The new prefects were named on September 20, and in forty-five counties, they belonged to the Iron Guard, as part of that movement's strategy of gaining control over government offices and using them for repressive purposes under the National Legionary State regime.
Split into simpler sentences: The new prefects were named on September 20, and in forty-five counties, they belonged to the Iron Guard. This formed part of the movement's strategy of gaining control over government offices and using them for repressive purposes under the National Legionary State regime.