Question

In macroeconomics, to study the aggregate means to study

Answer 1

individual interactions
total supply and demand.

Answer 2

are those the answer choices???

Answer 3

Yes

Answer 4

All you need to know is the definition of aggregate, which is a whole of something usually separate from each other. (you could compare this to Pangaea and the now separate continents if you'd like) This would mean all aspects of trade would be included. So B. total supply and demand.