7. Match each word with its definition.Write the letter of the definition on the line.

____1)Italian statesman

a) finally began to dominate the field after the mid-20th century.

____2)French writer

b) Niccolo Machiavelli

____3)From sociologists

c) they took definitions, propositions, and concepts to help in understanding why human beings act in certain ways.

____4)From psychologists

d) they borrowed statistical methods

____5)Scientific approach

e) Jean Jacques Rousseau