Should the united states have allowed settlers to expand westward without restrictions

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.

Imperial crisis inflation invasion pax romana great schismtrade during the , roman generals warred over succession. these conflicts drew soldiers away from the frontier and made the empire vulnerable to

Which of the fallowing sports became spectator sport at the turn of the century ? a)basketball and boxing b)soccer and football c)racquetball and badminton d)polo and swimming