Answer:
I believe it is A but please give me a low star if i am wrong
Yield curve, consumer durables, net business formations, and share prices, are used to predict the future movements of an economy.
It would be a "traditional" type of economic system that relies primarily on hunting gathering herding and farming to maintain self sufficiency, since this was how humans sustained life for many years before the modern era.
The cold war was a war of ideology and not fought with soldiers. The two big countries that fought was the US and the Soviet Union. Both countries tried to spread their political view. the us for democracy and the soviets for communism.