Hitler, Mussolini, Stalin, and Trump all used propaganda and fear mongering to emotionally and mentally manipulate supporters into giving them more power and discriminate and attack people with opposing views
Emperor Hirohito ( don’t know if I’m right)
There is no key to civilization. The concept that native americans did not have a civilization or were not civilized is one only supported by the egotism and arrogance of the empirical profit oriented "conquerers" who have worked to eradicate all cultures that conflict with profits. The key to western civilization that allowed them to kill off the majority of the natives was a lack of respect for life and insane drive for control, ownership and dominance, to which the peaceful and sophisticated Natives would not stoop.
It was France who controlled the land
Answer:
Thomas Jefferson, Louis and Clark, Sacagawea. It impacted the native Americans because it increased the amount that they met with the native Americans.