The aftermath of Lewis and Clark's expedition was not all positive to the Mandan natives. The most devastating epidemic was the smallpox outbreak in the year 1837 which killed a lot of people, the epidemic was important in uniting the surviving people in Mandan and Hidatsa who later engaged in trading, farming and hunting
Numidia, under the Roman Republic and Empire, a part of Africa north of the Sahara, the boundaries of which at times corresponded roughly to those of modern western Tunisia and eastern Algeria. Its earliest inhabitants were divided into tribes and clans.
A. logically sounds the best since about 60,000- 70,000 Texas mean joined the Confederacy.