Which social scientists primarily study the
scarcity of resources and the distribution of goods
and services?
(1) anthropologists (3) economists
(2) political scientists (4) historians

The correct answer is 3) economists.

The social scientists that primarily study the scarcity of resources and the distribution of goods and services are the economists.

Economics is the social science that studies how products and services are produced, distributed and how people consume those goods and services. Economists pay close attention to the way economic agents work and affect the market. They know that buyers, sellers, households, and companies played an important role in the economy of a nation, so economists try to understand these relationships and how they affect the market.  

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.