Which of the following is not an important reason why primatology has become increasingly important since the late 1950s? a. behavioral studies have implications for understanding natural forces that have shaped human behavior. b. many nonhuman primates are threatened or seriously endangered. c. through primatology we can better address the needs of primitive humans. d. the behavioral studies of any species provide a wealth of data on adaptation. e. nonhuman primates are our closest living relatives.

"neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the united states, or any place subject to their jurisdiction." - the thirteenth amendment to the united states constitution, 1865 which statement describes the effect that the thirteenth amendment had on american society? a) male freedmen were given the right to vote. b) slavery was made illegal in the united states. c) ex-slaves were given united states citizenship. d) southern states were no longer allowed to use convicts as labor.