In a 12 inch skillet brown ground beef, drain. Stir in chili powder, oregano, sugar, salt,and garlic salt. Blend in tomato paste. Stir in tomato juice, onion and 3 1/2 cups water. Bring to a boil. Carefully add spaghetti, stir to seperate strands. Cover and simmer, stirring frequently for 30 minutes. Serve with parmesan cheese.