Technology was used at a large scale in:Question 16Answera.World War Ib.Virtual Classroomc.Power Point Presentationd.World War II

The answer is d. World War II.

Here's a step-by-step explanation:

a. World War I: While technology was used in World War I, it was not at a large scale compared to later wars. Technologies like machine guns, tanks, and airplanes were in their infancy and not widely used.

b. Virtual Classroom: This is a modern concept and involves the use of technology, but it's not on a large scale compared to global events like wars.

c. Power Point Presentation: This is a software tool used for presentations. While it's widely used, it's not on the same scale as the use of technology in a global event like a war.

d. World War II: Technology was used on a large scale in World War II. This includes the use of advanced weaponry, radar, and even the development of nuclear technology. Therefore, the answer is World War II.