Which of the following contributed to the success of the Mali Empire? Check 3 responses. a
Sundia expanded the empire to the coast and further into the desert.
b
Trade routes were re-established and protected.
c
Everyone in the empire was forced to convert to Islam.
d
Mansa Musa's pilgrimage to Mecca advertised Mali's wealth and resources to the world.

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.