The 1968 military engagement in which viet cong and north vietnamese troops launched well-organized uprisings in cities throughout south vietnam and completely surprised american military leaders was called the tet offensive. a. true. b. false.

True.

Explanation:

On 30 January 1968 United States military troops and South Vietnamese Army of the Republic of Vietnam were shocked by the joint attack of North Vietnamese and Viet Cong. The name Tet offense is given to the attack at selected point all over Southern Vietnam because the first offensive attack was carried on the day of celebration of the Lunar New Year holiday  (Vietnamese New year celebration).

in about winter like late november to january