Melt margarine; saute chicken until browned on all sides. Stir onion into fat in pan. Add tomatoes, bay leaf, seasonings and sugar. Cover; reduce heat and simmer 20-30 minutes or until chicken is springy to the touch. Remove chicken; keep warm. Add tomato sauce and water to pan; increase heat to high. Bring to a full rolling boil. Break raw spaghetti so it will fit into pan. Add to tomato mixture with green pepper. Cook until spaghetti is tender. Serve with chicken. Delicious !!