In order to manage the many details involved in running an empire, the Inca also had a large bureaucracy, or system of state officials. For every 10,000 Inca, there were 1,331 administrators.
The Inca were gifted engineers and builders. They built an extensive network of roads that helped them transport people and goods. Bridges built of wood, stone, and even thick rope helped them cross rivers and deep canyons.
Around A.D. 500, the Tlingit developed tools for splitting and carving wood. With those tools, they built permanent homes and crafted everyday necessities such as plates and utensils.
The ancient Pueblo were skilled artisans who created baskets and pottery that were beautiful yet practical. They wove lightweight baskets and threaded together different materials to create brightly colored patterns.
From 800 to 1700, a different mound building culture—the Mississippians—emerged in the Mississippi River Valley. The Mississippians eventually populated the region from present-day Ohio, Indiana, and Illinois, south to the Gulf of Mexico
The different tribes of the Great Plains each had their own spiritual beliefs and traditions. Many homes had altars for burning incense during prayers. Farming communities practiced religious ceremonies centered on a good harvest.