The occupational classification that included doctors, lawyers, and dentists in 1880 was the 'professional service' category. It would not be agriculture, fisheries, and mining because those professions are not in that field.
A timeline is the presentation of a chronological sequence of events along a drawn line that enables a viewer to understand temporal relationships quickly. The term is also sometimes extended to mean a chronology that is tabular, year-by-year paragraphs or purely conceptual. Increasingly, timelines are illustrated in infographics combining text and graphic images for a better presentation.
mexico is where it was common
Explanation:
For many Americans, the American Revolution chained their views of the enslavement of African Americans in that they started to view slavery as a hypocritical evil since they had just fought for their own "freedom" from Great Britain.
