Answer:
Explanation:
In 1854, amid sectional tension over the future of slavery in the Western territories, Senator Stephen A. Douglas proposed the Kansas-Nebraska Act, which he believed would serve as a final compromise measure. Without the support of slave-state Senators, the likelihood of completing the railroad remained very low.
Are there answer choices? If not, the answer would be something like <span>landing a man on the moon. Hope this helps.</span>
A mark or character used as a conventional representation of an object, function, or process, e.g. the letter or letters standing for a chemical element or a character in musical notation.
The person who wrote the book the origin species is ::::Charles Darwin::::