The answer to your question is A.
The Zodiac originated the name himself in a series of taunting letters and cards
Answer: Bill of rights.
Explanation:
Bill of right is a constitution which allows the rights and liberties of individuals, such right includes freedom of speech, association, religion, etc.
In 1956 the term Viet Cong came into use and gradually replaced the older term Viet Minh. The government-controlled Saigon press first started using the term referring to communists in South Vietnam as Viet Cong a shortening of Viet Nam Cong-San which means "Vietnamese Communist.