Spiced Vegan Apple Cake with Maple Topping

3 cups complete wheat pastry flour2 teaspoons baking soda1 teaspoon baking powder1 teaspoon cinnamon½ teaspoon floor ginger¼ teaspoon floor nutmeg¼ teaspoon salt2½ cups applesauce¾ cup apple juice¼ cup maple syrup2 tablespoons safflower oil,…