sentences:  The wealthy industrialist William Edgars, the plot's mastermind, believed that a civil war among humanity would be counterproductive no matter how totalitarian the current regime.Edgars insisted that Garibaldi draw out Sheridan before he would bring Garibaldi fully into his confidence.Garibaldi, not suspecting why he was so driven to find out the innermost secrets of the plot, betrayed Sheridan to agents of the corrupt President Clark.