This is a simple and easy to use lesson plan. Have your students watch the YouTube video and answer the questions. The video is from the great BBC/Military Channel series called 20th Century Battlefields. (Vietnam) Watch the video for yourself at: Watch the video for yourself at: Click here to view the video.If the YouTube link changes type in "20th Century Battlefield Vietnam"This video focuses on the battles of Khe Sahn and Tet. The video also does an excellent job explaining strengths and wea