Black Southern Preachers emerged as leaders in the civil rights movement and helped overcome the collective action problem the movement encountered in shifting strategy from litigation to mass demonstrations.

Which of the following describes classical civilizations? they grew slowly and had a very short lifespan. they were unable to carry out long-distance trade. they made lasting impressions in art and architecture.

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.

What was discussed at the yalta conference