Answer:
Development.
Explanation:
Development can be defined as the progress of a country as it becomes more economically, technologically advanced and improvements in people's quality of life.
Some of the economic development indicators are demographics, gross domestic product (GDP), unemployment, economic structure, gross national product (GNP), inflation etc.
Basically, development is considered to be a microeconomic element.
Macroeconomics can be defined as the study of behaviors, performance and factors that affect the entire economy. Hence, it focuses on aggregate phenomena such as price level, economic growth, Gross Domestic Product (GDP), inflation, unemployment and national income levels with respect to the central bank, demand or supply shocks, government policies, aggregate spending and savings.
The Panama Canal because it makes the most money and is the most important out of all the four.
