Bring broth to a boil in a small saucepan, remove from heat and then pour over couscous and let stand, covered for 5 minutes.
Fluff with a fork and set aside until ready to use.
Heat oil in a skillet over medium high heat and then sauté onion with
1/4 teaspoon salt, stirring occasionally, until soft,
Add garlic and sauté until fragrant, about 1 minute.
Add zucchini and season with the remaining 1/2 teaspoon salt and sauté until just tender.
Add in the Chickpeas.
Reduce heat to low, then stir in coriander, chili powder, cumin, and pepper and cook, stirring well.
Gently stir the zucchini mixture into couscous.