Definition for "technology" in world history.

In world history, technology is tools, methods, and materials that people use to improve not only their lives, but to make their lives easier.

For example, let's take a look at the wheelbarrow which was invented in the time of the Han Dynasty. This came into use when soldiers had to transport supplies to other soldiers so the wheelbarrow was invented. The main purpose of it is to transport heavy stuff from place to place.