I would say b or a :) hoped I helped have a goooood dayyy lol
i dont see any pictures or answer choices, so therefore i cant do anything to help you...
Answer:
B. Africa
Explanation: Because africa is not appart of the one of contention between the Triple Alliance and the Triple Entente
If the border with Laos had been closed and North Vietnam had not been able to operate in the country, the communist side would not have been able to stock up on resources, men, ammunition, weapons, food and medicine through the HoChi Minh Trail.
Therefore, the forces of the North that were fighting in South Vietnam would have been out of supply, and their defeat would have been imminent.
<span>isolationism in world affairs </span>