Macroeconomics is the study of A. the government. B. the actions of individual consumers. C. national or global economies. D. the actions of individual businesses. E. how ceteris paribus affects causation.

C) national or global economies

Explanation:

Macroeconomics is the study of large scale economy and market along with behavior, working, form, decisions etc that are part of this economy. Macroeconomic deals with the subjects like level of price, inflation,GDP, economic growth and other factors on global level, national level and regional level.

Other options are incorrect because government,consumer actions, business action of customer and ceteris paribus effect are not the topics that fall under the category of macroeconomics. Thus, the correct option is option(C).

portugal is the westernmost country in europe.

answer; the region experienced a surplus of food;