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.
Your answer would be, The best definition of RHETORIC, is Writing, and Speaking Persuasively.
Hope that helps!!!! ( Writing, and speaking persuasively, would be the best definition of Rhetoric.).
In the choices above, the correct answer that corresponds to the statement is letter A, there is one right source for a certain information. It is because in doing a research, there is always a source in order for your information to be true or for it to have a support. Researches are in need to bear in mind that there are always a source for each information.