Agriculture. The first similarity in the civilizations is agriculture. In every age, the individuals practiced some form of farming whether through farming, hunting, gathering or animal husbandry. They would look for plants and fruits to eat, and they would hunt animals.
Answer:A) Things do not change.
Explanation:I just had that question :)
The answer is A.
Rockefeller worked with oil, Vanderbilt did the railroads, Carnegie was leader of the American steel industry, and Astor did fur trade and invested in real estate.