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.
Answer:
B. refusing to leave a seat on the bus is not a boycott
Explanation:
A boycott is the refusal to buy goods or support a company
the natural barriers were the himalaya mountains
Answer:
They needed to add new constitutional amendments after the civil war because the civil war was about freedom for black Americans which meant that the amendments were intended to guarantee the freedom of former slaves and to establish and prevent discrimination in certain civil rights to former slaves and all citizens of the United States.