The aim of the study of macroeconomics is to examine the interactions between individual producers and consumers. the behavior of factors affecting the economy. the relationship between supply and demand. the economy’s viability.

The correct answer is:

The behavior of factors affecting the economy.

Macroeconomics is the branch of economics that focuses mainly on the factors affecting the economy and on their performance, structure, and behavior. Macroeconomic theories usually relate the phenomena of output, unemployment, and inflation.

"act of congress" : ) hope this

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.