The way Settlers impacted Native Americas in the west was that the US Government forced them to live on land called "Reservations", which may I add wasn't the best lands. Native Americans usually hunted Bison which were their main source of food and clothes, but the US army, railroad companies, and white settlers set out to kill all bison, causing many Indian Americans to starve.
Hope this helps.
It is two I had a question similar but it was in the 6th grade
Russia's defeat of France was the turning point in the Napoleonic Wars because it shook the reputation of Napoleon and weakened the hegemony of French in Europe. This war showed that Napoleon could be defeated and was not invincible. The strength of the french army under Napoleon decreased by a huge margin.
A) Polio. But you can also choose D if you don't think A is correct.