It is important because history helps you understand the past to predict the future and help in creating it. Studying history gives us wide opportunities to get better understanding of our past experiences to count on the great achievements and avoid the horrific mistakes.
oh, so you're gay?
I'm just kidding. So you like anime. That's cool.
Answer:
show that the foundation of America remained strong
Explanation:
A) A fort was established and many were killed by diseases
Lewis and Clark's expedition was not positive to the native of Mandan village the most devastating epidemic was the smallpox outbreak in the year 1837 killing a lot of people. The epidemic played an important factor in uniting the surviving Mandans and Hidatsa who later engaged in trade, farming and hunting.
War with Mexico and the alamo and it also sparked the transcendentalist era, and plus it was one of the earliest examples of civil disobedience by henry David Thoreau