Best Meat Sauce for Spaghetti

1/2 pound sweet or hot Italian sausage
1 1/2 pounds ground chuck
1 cup finely chopped onion
1 cup chopped green pepper
2 cloves garlic, crushed
2 tablespoons granulated sugar
1 tablespoon salt
1/8 teaspoon crushed red pepper
2 teaspoons dried basil leaves
1 (2 pound 3 ounce) can Italian-style tomatoes, undrained
2 (8 ounce) cans tomato sauce
1 (16 ounce) package spaghetti
1 tablespoon salt
Grated Parmesan cheese

Remove sausage meat from outer casings; chop sausage. In a 5-quart Dutch oven, over medium heat, saut