The General Agreement on Tariffs and Trade (GATT) was an international treaty signed in 1947 with the goal of reducing trade barriers between countries. Over time, more countries signed on to the agreement, which was seen as a significant step towards global economic cooperation and development.

Here are some of the countries that adopted the General Agreement on Tariffs and Trade (GATT) agreed to:

1. United States of America – The United States was one of the founding members of GATT and played a significant role in its development. The country supported the goal of reducing tariffs and other trade barriers to promote free trade among nations.

2. United Kingdom – The UK was also one of the original signatories of GATT and remained a member until it was replaced by the World Trade Organization (WTO) in 1995.

3. Japan – Japan joined GATT in 1955 and became a major player in international trade. The country was known for its strong emphasis on export-oriented growth and played a significant role in the global manufacturing industry.

4. Germany – West Germany joined GATT in 1951 and was a major contributor to the development of the European Economic Community (EEC), which later became the European Union (EU).

5. France – France was a founding member of GATT and played a crucial role in the development of the European integration process. The country was also a strong advocate for agricultural subsidies, which were seen as a significant challenge to global trade.

6. Canada – Canada joined GATT in 1947 and was an active participant in negotiations for the North American Free Trade Agreement (NAFTA) and later the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP).

7. South Korea – South Korea joined GATT in 1967 and became one of the world`s leading exporters of electronic and automobile products. The country`s participation in GATT helped to promote its economic development and integration into the global market.

In conclusion, the General Agreement on Tariffs and Trade (GATT) was a crucial agreement that helped to promote free trade among nations. As more countries adopted the agreement, it became a cornerstone of the global economy and paved the way for future trade agreements, including the World Trade Organization (WTO). Today, GATT continues to be an essential part of the international trade landscape and a critical tool for promoting economic development and cooperation among nations.