How did economic differences between the north and the south lead to conflict? question 9 options: the south's shipping ports took business away from the north. The south's reliance on agriculture led to their dependence on slave labor. The north's development of industries polluted the environment

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.