In your opinion, what is the most dangerous threat the world faces today? Discuss some reasons for its existence. Give some possible ways of preventing its occurrence¹.

　　Our world today is faced with many major threats. The most dangrous threat of all is war. Everyone in the world fears the outbreak of a war, especially another world war in which nuclear weapons may be used. With the use of nuclear weapons there is the possibility of the destruction of our entire planet. Each war a particular reason, but there are a number of steps countries can take to prevent its outbreak.

　　One main reason for war is a difference in ideology². For example, nations have engaged in struggles over the merits³ of communist and capitalist systems of government. The frequently aided other countries in wars in order to topple governments that have not agree with their principles.

　　Land ownership is also a reason that countris declare wars on their neighbors. Frequently, these conflicts are economic in nature. For example, if oil is found on land in one country and that land can be claimed by another country for historical reasons, that country may declare war in order to recover the land containing oil. A landlocked country needing access to the sea may claim the territory between itself and the sea .When a border between two countries lies in an important food growing area such as , for example, a border formed by rivers, disputes over the water rights and the fertile land can turn into war.

　　To prevent the destruction of our earth in a nuclear catastrophe⁴, countries should try to sovle their differences through international organizations such as the United Nations.All countries need to educate their citizens to be more tolerant⁵ of other idologies. After all, no idology is worth total annihilation of the planet. In addition , the countries that are better off need to give more assistance to those countries that suffer severe economic troubles, so that those countries will not try to solve their problems through violence. In conclusion, there are solutions to the world’s problems, and they should be put into practice now before it is too late。

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