Countries who signed the 1987 Montreal Protocol agreed to

Countries who signed the 1987 Montreal Protocol agreed to
 
  a. ban of the use of aerosol propellants.
  b. reduce annual catch limits on halibut and tuna to protect breeding grounds.
  c. regulate the level of mercury released from coal fired power plants.
  d. lower the level of energy consumption in the developed countries.

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Who wrote The Law of War and Peace?
 
  a. Kofi Annan
  b. St. Thomas Aquinas
  c. Hugo Grotius
  d. Michael Walzer

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The banning of biological and chemical weapons was signed by the major powers in 1925 and included in the
 
  a. Nuclear Non-Proliferation Treaty.
  b. Kellogg-Briand Treaty.
  c. Universal Declaration of Human Rights.
  d. Geneva Protocol.

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The 1928 Kellogg-Briand Pact sought to
 
  a. establish punishment for those committing genocide.
  b. establish the League of Nations.
  c. prohibit war as an instrument of state policy.
  d. ban specific weapons in the use of war.

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According to the Dutch legal scholar Grotius, a just war includes all of the following principles except
 
  a. there must be just cause to go to war.
  b. a preemptive war is permissible.
  c. the means used in war must not be inhumane.
  d. the means used in war must be proportional to the ends obtained.