Which group of social theorists would focus most on macro-level analysis when examining patterns of society?

It is the conflict theorist and structural functionalists. 

Conflict theory is a hypothesis propounded by Karl Marx that cases society is in a condition of ceaseless clash because of rivalry for constrained assets. It holds that social request is kept up by mastery and power, instead of accord and similarity. 
Structural Functionalism is a sociological hypothesis that endeavors to clarify why society works the way it does by concentrating on the connections between the different social organizations that make up society.

Accumulating more land so that your country can continue expanding without running into problems such as overpopulation