Vietnam

https://www.slideshare.net/MrKeane1/why-did-us-get-in-and-out-of-vietnam-4

https://prde.upress.virginia.edu/content/Vietnam

https://www.youtube.com/watch?v=6s0Z2mwTrXY

https://www.youtube.com/watch?v=HODxnUrFX6k

https://www.youtube.com/watch?v=lafWBlulBJU