Moroccan Inspired Winter Vegetable Stew

2 T Olive Oil 1 medium onion, chopped 3 cloves garlic, minced 3 medium shallots, chopped 1 medium sweet potato, cut in 1" pieces 1 small rutabaga, cut in 1" pieces 1 cup cooked chickpeas (canned, ok) 1/4 cup raisins or currants 1 15 oz can chopped tomatoes 1 Cup water 1 tsp cinnamon 1 tsp cumin 1 tsp paprika 1/2 tsp coriander 1/2 tsp ground ginger Salt and pepper to taste