The right option is; A nation that has made major social, political, and economic progress.
A developed nation is a nation that has made major social, political, and economic progress. A developed nation has a highly developed economy and technologically advanced infrastructure when compared to other nations. Several factors such as Human Development Index, industrialization, political stability, income per capita, living standards of the people, Gross national Product (GNP), and Gross Domestic Product (GDP) are used to determine the level of economic development of a nation.
