The north vietnamese intended the siege of khe sanh to take american attention away from the south vietnamese .

answers:
ports
cities
canals
countryside

The right answer is: "It took American attention away from the South Vietnamese countryside."

Explanation:

Historians that have studied the Battle of Khe San of 1968 believe that the North Vietnamese attack was really a diversion. Its main goals was to drive American and allied South Vietnamese attention away from the buildup of Viet Cong forces in the countryside. The Viet Cong was the Communist guerrilla in South Vietnam.