持枪合法的原因

• In some countries, people are allowed to own firearms
• Individuals have the right to protect themselves
• People can use guns in self-defense
• This deters criminals

持枪非法的原因

• There is a risk of accidents with guns
• The number of violent crimes increases when guns are available
• Criminals may be armed
• The police then need to use guns
• Suicide rates have been shown to rise when guns are available
• Guns create violent societies with high murder rates

警察持枪的原因

• Many criminals use weapons
• The threat of a gun can deter criminals
• Police officers can force a criminal to surrender
• It is easier to arrest someone and avoid physical violence
• The police may shoot violent criminals in self defence
• They can protect the public
• They can shoot an escaping criminal who poses a serious danger to the public

警察不持枪的原因

• There is a risk of accidents and mistakes
• The police might shoot an unarmed criminal or an innocent person
• Accidents can happen in public places
• There are several alternatives to guns (e.g. tear gas, sprays and electric shock weapons)
• Only special police units should use guns

军火贸易的好处

• The export of arms, or weapons, is an extremely controversial issue
• Governments of rich, industrialized countries sell arms to each other
• This industry creates jobs and wealth
• The trade of weapons may improve relationships between governments

军火贸易的弊端

• Weapons may be used in conflicts and wars
• The supply of arms could be responsible for deaths
• Governments are promoting war in order to make a profit
• Rich countries can influence the politics of other nations

核武器

• Nuclear weapons are capable of destroying whole cities
• A nuclear war between two countries would destroy both countries
• Nuclear weapons are used as a deterrent
• They prevent wars from starting

核武器观点

• Nuclear weapons should be prohibited
• Governments should limit the production of nuclear weapons
• There is a danger of nuclear weapons being obtained by terrorists
• Nuclear weapons cannot be used against terrorist organizations

设立军队的好处

• Armed forces provide security and protection
• They deter military attack by another country
• They can also be sued to maintain peace within countries
• They can be sued to give the police extra support
• Soldiers are also used to help in emergency situations, such as after a natural disaster

设立军队的弊端

• Armies require a lot of funding from governments
• Too much money is spent on weapons and military technology
• This money could be spent on schools, hospitals and other public services