A Flag for Review dential
Which political trend do the maps show in the United
States from 1848 to 1860?
OA.
nationalism that kept the Northern states in the
Union
B.
an increase in Northern support of the Democratic
Party
OC.
an increase in Southern support of the Democratic
Party
OD.
sectionalism that led to the secession of the
Southern states

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.