According to ethologists, aggression is

According to ethologists, aggression is
 
  a. generally a harmful instinct.
  b. generally a beneficial instinct.
  c. not an instinct.
  d. unique to humans.

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In trying to understand the causes of war in human society, Konrad Lorenz began by dividing the various species into
 
  a. territorial and nonterritorial animals.
  b. meat eaters and plant eaters.
  c. lethal and nonlethal animals.
  d. mammals and amphibians.

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Konrad Lorenz thought that war reflected
 
  a. culturally condition views of violence.
  b. gender bias.
  c. an aggressive instinct.
  d. collective egoism.

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____________________ argue that the consequences of international anarchy depend on how statesmen think about international relations.
 
  Fill in the blank(s) with correct word

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A ______________________ is a group of states that have a reasonable expectation of mutual nonviolence.
 
  Fill in the blank(s) with correct word