Answer:
Correct answer is A- was to show South Vietnam that the United States was on its side
Step-by-step explanation:
A is correct as US wanted to show that they are still supporting South Vietnam after the meeting between Kissinger and Le Duc Tho in Paris.
B is not correct as it was ordered by president Nixon.
C is not correct as it was carried out in December of 1972.
D is not correct as it was carried out over North Vietnam.