Answer:
c. The lumber industry building a railroad.
If you have a job that involves manual labor, you are doing blue-collar work. <span>A </span>blue collar<span> is a working-class person historically defined by hourly rates of pay and manual labor. A </span>blue collar<span> worker refers to the fact that most manual laborers at the turn of the century wore </span>blue<span> shirts, which could hold a little dirt around the </span>collar<span> without standing out.</span>
Cyrus The Great and Darius the Great Expanded Persian Territories establishing the Achaemenid Empire, which was the largest the world has ever seen
A human trait would be any characteristic that describes a human . . . eye color, height, and hair texture are all characteristics that describe a human . . . so the answer is d) all of the above
Would that be an archaeologist?