Answer:
Past tense
Explanation:
The word "made" implies that the discovery by the scientist has already taken place.
What do you mean?? Elaborate.....
After 1830 the urban areas of the country grew more rapidly than the rural areas. By 1890 industrialization had produced substantial growth in cities, and 35 percent of Americans lived in urban areas, mostly in the northern half of the United States.
Industrialization and competitiveness more than likely. (Possibly alienation?)
The thesis statement is usually the statement that presents the author's view or main idea of the subject.
