Quick Pulled Pork Sandwiches

Name: Quick Pulled Pork Sandwiches
Ingredients: 3 teaspoons vegetable oil; 2 cloves garlic, chopped; 1 small onion, chopped; Kosher salt and freshly ground black pepper; 2 teaspoons chili powder; 1 teaspoon ground cumin; 1/2 teaspoon ground cinnamon; 1/4 teaspoon cayenne pepper; 1 1/2 cups low-sodium chicken broth; 1/3 cup ketchup; 2 tablespoons molasses; 1/3 cup plus 1 tablespoon apple cider vinegar; 1 pork tenderloin (about 1 pound), cut into 4 pieces; 1 tablespoon whole-grain mustard; 3 cups broccoli slaw (6 ounces); 6 whole-wheat hamburger rolls, split