Hi, can you help me out, please! What are the three parts of political science? Define each one.

Political theory, public law, and public administration are the three main branches of political science.

Explanation:

Political theory is the study of political ideas and values like justice, power and democracy that we use to describe, understand and assess political practices and institutions.

Public law - the law of relations between individuals and the state.

"a body governed by public law"

Public administration, the implementation of government policies.

an era of negotiation.

is that an answer to your question?

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.