Please check my (250 words) essay for IELTS General module purposes.
Nowadays there are different methods of governing countries. Some countries use the method of isolation instead of cooperation with other countries. However lets discuss why the engagements between countries are such important.
Firstly there are several global challenges like Global Worming, economy crises and etc., which can not be regulated by each country separately. Actually this kind of global problems must be confronted by the entire world.
Secondly world international air transportation network based on close cooperation of countries. So isolation policy of one country may destroy the transportation activity and has impacted the economy of other countries .
Finally there are many starving countries in the world. Mentioned countries because of their geographical and social conditions are not able to manage even daily meal problem without other countries support. According to humanity principals of UN developed countries must help and not isolate them.
In conclusion we can refer to a popular saying that one swallow cannot make summer. So one country cannot survive and has success alone.