Answer:
If I remeber correctly the awnser is C
Explanation:
Sorry if I get it wrong but I think it is correct
They countered it because they ruined the land in every way possible which made it hard even for their allies from South Vietnam to support them. Napalm just burnt down forests and habituated areas and harmed a lot of civilians directly, while things such as agent orange destroyed the environment and poisoned the ground, the waters, the food, and basically anything else. It caused much more harm to the people than it did to help them.
Because he believed that the country could abolish slavery before the end of his presidency.