What methods did the Incas use to unify their large empire?

Question

but make it sound like a 6th grader wrote it

Answer 1

The Incas used several methods to unify their big empire. They built a network of roads called the Inca Road System, which helped them communicate and travel quickly across their lands. They also had a common language, Quechua, that everyone had to learn. The Incas also organized their society so that everyone had a role and worked together for the good of the empire. They also honored their leaders, like the Sapa Inca, and their gods to keep everyone united. Overall, the Incas did a lot of things to bring their empire together and make it strong.