Final answer:
The Organization for Economic Cooperation and Development (OECD) is an international organization comprised of the 34 high-income countries. It promotes economic growth, trade, and prosperity among its member countries.
Step-by-step explanation:
The Organization for Economic Cooperation and Development (OECD) is an international organization comprised of the 34 high-income countries. These countries are members of the OECD based on their strong economies and high levels of development. The organization promotes economic growth, trade, and prosperity among its member countries. The OECD does not only include countries that believe in market-allocation economic systems or pluralistic democracies. It is primarily based on economic indicators and criteria rather than political or economic ideologies. An example of a member country of the OECD is the United States, which has a strong economy and is considered a high-income country.