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.
Not very well, there was a huge economic crisis and they were unable to stop the depression.
The Most appropriate "Political Situations" would be:
(1) <span>Government systems lack capacity
(2) </span><span>Political boundaries contain ethnic conflict
Hope this helps!</span>
I think the answer is <span>b. the nationalists desire an end to foreign dependence.
Central America and South America did have their common colonizer, As part of the thirteen colonies of Britain.
South and North America tried their best to fight their mother colonizer who made high tax impositions and they won the war. But, the South did not agree with some other plans of the North which may affect their economy this pushed to Civil War.
Latin America also made its own uprising and national struggle which became their motivation to finally have their own national freedom
</span>
