Requirements:Think about a future where we break down the boundaries of our country and are able to travel freely with people all over the world. The essay of 500 words

You can write about the following aspects:

One is that there are no boundaries of countries, and there is a need for all human beings to have a shared universal values and outlook on life, similar to Christianity and Buddhism;

Two is that there is a need for some clean and efficient public **** agencies to manage the day-to-day affairs, and to help the people to handle the difficulties of life;

Three is that there are no constraints such as passports and so on, so that we can travel to more places more convenient to visit and travel to more places;

Fourth, with fewer trade protection barriers, goods may be cheaper and logistics will be more developed, so we can use or taste things from all over the world;

Fifth, it will be more convenient for the exchange and integration of human science and technology and knowledge, and new scientific and technological achievements may appear more, such as breakthroughs in some difficult medical problems;

Fourth, it will be more reasonable and even distribution of oil, coal, and other natural resources. The distribution of various resources such as oil, coal, rare earths and so on will be more reasonable and even, and there will be fewer conflicts and no wars;

Sevenly, there will be more intermarriages between different races of human beings, and the advantages of human genetic hybridization will be carried out better, and the advantages of the human races will be improved, so that they will have a better and stronger ability to survive on the earth.

The above seven points, each of which you slightly expanded to write, 500 words is certainly enough.