An accomplishment of the Lewis and Clark expedition was that it recorded information about nature and geography.
Lewis and Clark were not able to find a water route across the continent and did not force native people out of US territory. Neither did they acquire the Louisiana Territory, the territory was acquired by Thomas Jefferson.
The African empires of Kush and Aksum resembled later empires in Africa as they grew powerful through trade. This is so they began to sell resources and in addition to that handmade woven goods were also produced and sold.
