Complex sentence: To lesser and greater degrees, the history, principles and traditions of Wingate's Twilight Club have been rewritten and manipulated by these groups for documented reasons ranging from financial gain to providing a foundation for and continuity to the organization's ideological agenda.
Split into simpler sentences: To lesser and greater degrees, the history, principles and traditions of Wingate's Twilight Club have been rewritten and manipulated by these groups. Stated motivations for this misrepresentation has ranged from financial gain to providing a foundation for and continuity to the organization's ideological agenda.