What is the abbreviation of each country?

1. The People's Republic of China, referred to as "China"

The People's Republic of China is located in the east of Asia and on the west coast of the Pacific. It is a country led by the working class and composed of workers and peasants. A socialist country based on the people's democratic dictatorship based on the alliance. China is one of the four ancient civilizations with a long history and culture. It is the third largest country in the world in terms of land area and the largest population in the world. It is one of the five permanent members of the United Nations Security Council together with the United Kingdom, France, the United States and Russia.

2. Japan, referred to as "Japan"

Japan is located in East Asia. Its name means "the land of the rising sun". Its territory consists of four large islands: Hokkaido, Honshu, Shikoku, and Kyushu. It is composed of more than 7,200 small islands, with a total area of ??378,000 square kilometers. The main ethnic group is Yamato, Japanese is commonly spoken, and the total population is about 126 million. Japan is a highly developed capitalist country and the third largest economy in the world. It is resource-scarce and extremely dependent on imports, and its developed manufacturing industry is the main pillar of the national economy.

3. The Republic of Korea, referred to as "South Korea"

South Korea is located in the southern part of the Korean Peninsula in East Asia, with a total area of ??about 100,000 square kilometers (accounting for 45% of the area of ??the Korean Peninsula). The main ethnic group is Korean. Nationality, Korean is commonly spoken, and the total population is about 51.47 million. The capital is Seoul. South Korea is a developed capitalist country, a founding member of APEC, the World Trade Organization and the East Asia Summit, and a member of important international organizations such as the OECD, the G20 and the United Nations.

4. The United States of America, referred to as "the United States"

The United States is a federal government and a constitutional country composed of Washington, DC, 50 states, Guam and many other overseas territories. The United States is a highly developed capitalist country. In the two world wars, the United States and other allies achieved victory. After decades of Cold War, after the collapse of the Soviet Union, it became the only superpower in the economy, culture, industry, etc. are leading the world in all fields.

5. The Kingdom of Thailand, referred to as "Thailand"

Thailand is a constitutional monarchy located in Southeast Asia. Thailand is located in the middle of the Indochina Peninsula, bordering Myanmar and the Andaman Sea to the west, Laos to the northeast, Cambodia to the southeast, and Malaysia on the south. Thailand is a member and one of the founding countries of the Association of Southeast Asian Nations, as well as a member of the Asia-Pacific Economic Cooperation, the Asia-Europe Meeting and the World Trade Organization.

6. Vatican City State, referred to as "Vatican"

The Vatican is an inland city-state located in the highlands northwest of Rome, the capital of Italy. It is also the country with the smallest territory and smallest population in the world, with a land area of ??only 0.44 square kilometers. It is the center of Catholicism in the world - the seat of the Holy See headed by the Pope, and the center of faith for one-sixth of the world's population.

7. The Kingdom of Sweden, referred to as "Sweden"

Sweden is a country located in Scandinavia, one of the five Nordic countries, and its capital is Stockholm. Sweden is a highly developed capitalist country and a member of the European Union. It is regarded as having social liberal tendencies and strongly pursues equality. It has established many social welfare systems and usually ranks among the best in the United Nations Development Program's Human Development Index.

8. The Swiss Confederation, referred to as "Switzerland"

Switzerland is one of the countries in Central Europe, and the country is divided into 26 states. Switzerland is a highly developed capitalist country and one of the richest, most socially stable, most economically developed and has the highest living standards in the world. It has rich tourism resources and is known as a world park; its per capita GDP has always been among the highest in the world, second only to Luxembourg in Europe. Switzerland is also one of the most stable economies in the world. ?

9. The Kingdom of Spain, referred to as Spain

Spain is located on the Iberian Peninsula in southwest Europe. Spain is a highly developed capitalist country and a member of the European Union and NATO. It is also the fifth largest economy in the Eurozone, with its gross domestic product (GDP) ranking 6th among European countries and 13th in the world.

10. The Federal Republic of Brazil, referred to as Brazil

Brazil is the largest country in South America and enjoys the reputation of the "Kingdom of Football". Brazil has abundant natural resources and a complete industrial base. Its GDP ranks first in South America and it is the seventh largest economy in the world. It is one of the BRICS countries and a member of the Union of South American Nations. It is one of the founding countries of the Rio Group, a member of the Southern Communist Party, a member of the G20, and an observer of the Non-Aligned Movement.

Reference materials:

Baidu Encyclopedia - The People's Republic of China

Baidu Encyclopedia - Japan

Baidu Encyclopedia - South Korea< /p>

Baidu Encyclopedia - United States

Baidu Encyclopedia - Thailand

Baidu Encyclopedia - Vatican

Baidu Encyclopedia - Sweden

Baidu Encyclopedia-Switzerland

Baidu Encyclopedia-Spain

Baidu Encyclopedia-Brazil