Heat a medium-large saucepot over medium heat. Add 1 tablespoon olive oil, onion and garlic, cook while stirring for 2-3 minutes. Turn heat down to medium-low, add spices, salt and pepper. Cook while stirring for another 2-3 minutes. Add squash and cook 4-5 minutes while stirring. Turn heat to high. Add tomatoes, chickpeas, and 3 cups water. Bring to a boil, then turn down to medium-low, and simmer for 20-25 minutes, stirring occasionally.