Desensitization has been found to be an important factor contributing to

Success in treating fear, anxiety disorders and phobias

Desensitization involves desensitizing the patient to an experience or object that they fear. These include anxieties, fear and phobias. Using this method can desensitize the client to these fear causing objects or places and contribute to success in therapy.

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane

answer; /// i believe the correct answer is general act charters;