Ion know prolly United States
They raided each other's settlements. When the English first arrived in America, the natives didn't like them settling on their land, and they saw them as a threat. So they attacked, killing settlers.
People in living in areas with steep mountains actually has an advantage when it comes to agriculture because there is already a free and vacant space that can be used to plant crops. In order to develop thesemountains into an area where planting is easily done, the people can create a stair-like structure on the edges of the mountains where they can plant crops that will be used daily and even sold in the market. This practice will be a very good strategy to make use of the steep mountain which is the only available natural resource at the time.
