<span>Because it became a hot spot for confrontation between Communist USSR and Capitalistic US.</span>
I would have loved to assist you but one problem..your question has no content.
Buddhists and Hindus are against each other because they are on each other’s land and have been in war for years because of this issue.
The answer is D.
Although some of these were his side goals his overall main goal was to reunify the nation to avoid civil war.
I think, Free trade, and security, but there might be more.