Which of the following leads to an increase in bargaining power for workers? a. the existence of unions. b. minimum-wage laws. c. an increase in the supply of labor. d. protectionist trade policies.

Who established the peoples republic of china in 1949

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.

Which factors are examples of how technology may have affected the great migration apex