The answer is the third option.
A goal is something you consciously want to achieve and are willing to work for in order to get it.
When new information or experiences cause you to modify your existing schemes.
A is the best answer. Hope that helped! If you don't understand why PM me and i can try to explain :)
The correct answer is B) the North Vietnamese and Vietcong's war strategy was to avoid defeat until the Americans gave up.
They were always on the retreat and resorted to guerrilla warfare. They would hide, attack at night, set traps, and other similar tactics until they completely demoralized the American army.
