purpose of money
exchanging goods or services of equal value is called
replaces the need for bartering.
money allows us to exchange
for goods and services.

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches