Over the past 100 years, governments worldwide have signed many agreements that restrict war as a means for conflict resolution. Some of these are:

 

1. The Geneva Gas Protocol, 1925

2. The United Nations Charter, 1945

3. The Nuremberg Principles, 1945

4. The Genocide Convention, 1948

5. The Geneva Conventions, 1949 and subsequent protocols

6. The Treaty on the Non-Proliferation of Nuclear Weapons, 1968

7. The Convention on Environmental Modification, 1977

8. The Convention on Certain Inhumane Weapons

9. The Comprehensive Test Ban Treaty

10. The Chemical Weapons Convention

11. 
    

12. 
    

These agreements prohibit:

 

1. Weapons or tactics that cause unnecessary or aggravated devastation or suffering.

2. Weapons or tactics that cause indiscriminate harm as between combatants or noncombatants, and military and civilian personnel.

3. Weapons or tactics in warfare that violate the neutral jurisdiction of non-participating states.

4. Asphyxiating, poisonous or other gas, and all analogous liquids, materials and devices, including bacteriological methods of warfare.

5. Weapons or tactics that cause widespread long-term and severe damage to the natural environment.

6. Reprisals that are disproportionate to the antecedent provocation, or disrespectful of persons, institutions, or resources protected by the laws of war.