15.
Which of the following best describes the war strategy of the Vietcong?
They used large numbers of troops in major battles.
They fought during the day in cities and villages.
They relied heavily on their technological superiority.
They fought at night and in the jungle.

D, They fought at night in the jungle

Explanation: The American forces had superior weaponry so the Vietcong could not beat them in open warfare, but they had the advantage of knowing the land, so they were able to employ small attacks in the dead of night in a guerrilla warfare strategy to great effect

Explanation:

The Native Korean number system is used for general counting, like when you're counting out loud, up to 99. It's also used to count people, hours, things, ages, and more. Sino-Korean numbers are used for things like dates, money, minutes, addresses, phone numbers, and numbers above 100.