Because white people are evil, no because frankly they just did not care. They felt that their parents were born here before the Revolutionary war, and that they had a right, Manifest Destiny, to spread however far West they should please. They spread all the way. They regarded the Natives as uncivilized murders and rapists. They were primarily ethnocentric and narcissistic.
For 6 it should be A or D
It’s C: Japan
Because Japan and USA had a relationship between each other. And the relationship began at late 18th and early 19th ;b
