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:
If once you have slept on an island
You’ll never be quite the same;
You may look as you looked the day before
And go by the same old name,
You may bustle about in street and shop;
You may sit at home and sew,
But you’ll see blue water and wheeling gulls
Wherever your feet may go.
Explanation:
A because the ratio from black to white near close to equal
