Because rivers like the nile, tigris, and euphrates flooded in ancient times,
a) people lived in a constant state of fear as to when the next flood would hit.
b) land around the river was fertile and capable of supporting farming.
eliminate
c) the concepts of cooperation and democracy were founded.
d) those places were never able to form civilizations.

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.

All of the following statements point out negative aspects of the gilded age except: a. politicians gave government jobs to political supporters. b. political bosses cheated large cities out of millions of dollars. c. industrialists bribed members of congress to ensure favorable votes. d. in 1903, wisconsin became the first state to hold primary elections.

Economic growth in the united states does not affect the economies of other countries. select the best answer from the choices provided t f