On Jan. 30, 1968, the North Vietnamese launched a massive attack against major cities in the South and against positions held by American forces.

Use the link below to answer the questions:

http://www.caller.com/newsarch/news10417.html

1. What was the Tet Offensive?
2. How did Tet differ from other encounters American soldiers had with the enemy?
3. On paper, why did it seem the Americans won?
4. How, then, did this victory turn into defeat?