Many American pioneerstraveled across the plains of the Midwest.
<span>B-the lack of ethics in dissection and animal testing</span>
The excerpt signals the American's ethical responsibilities or constitutional right to choose the government that rules their nation, to change it or to overthrow it if necessary. American's freedom and right to decide who is in power is the characteristic spirit of their culture and society, this is why Lincoln's reference to these rights is the detail signaling his appeal to ethos.
<u>The answer is option 4: His reference to every citizen’s rights.</u>