Answer:
The two major divisions of the nervous system are the central and the peripheral nervous systems
You need a millitary to back up your empire of stolen land, my bad "claimed land" and the competition to have the most land is what demanded a competitive millitary.
Groups that are in the same side in a war make something called alliances, that is an agreement they make to help each other during war.
Answer: A.
a light that guides you out of a dark room, illuminating the world around you
Explanation: Economics is the study of mankind in the ordinary business of life. - Alfred Marshall.
Economics is the science which studies human behavior as a relationship between ends and scarce means which have alternative uses. - Lionel Robbins. Economics comes in whenever more of one thing means less of another.
At the most basic level, economics attempts to explain how and why we make the purchasing choices we do. Four key economic concepts–scarcity, supply and demand, costs and benefits, and incentives–can help explain many decisions that humans make.
Answer:C
Explanation:McCarthy ruined many lives and careers he led a witch hunt for the communists