2 tablespoon vegetable oil 1 ½ cup chopped onions (3 medium) ¾ cup chopped red sweet pepper (1 medium) ¾ cup chopped yellow sweet pepper (1 medium) 6 cloves garlic, minced 1 15 ounce can black beans, rinsed and drained 1 cup chopped tomatoes (2 medium) ¼ cup chopped pitted green olives ¼ cup chopped raisins 3 tablespoon red wine vinegar 1 teaspoon packed brown sugar ¾ teaspoon ground cinnamon ¼ teaspoon crushed red pepper