The cold war was a prolonged period of military competition and tension between the united states and which nation?

Russia is the correct answer.

Explanation:

The period of tension between the communist countries of Eastern Europe and the capitalist countries of the Eastern Europe that lasted from 1945-1991. It was led by both the countries in their respective zones of influence. During cold war war the globe was divided into two power blocks. US and USSR never declared war on each other but fought proxy wars, competed with each other in space and Arms race.

articles of confederation

the correct answer is “opportunity cost”. opportunity cost is what a company misses out because it decided in one option over another one. in this case, the company decided to invest in building a factory so it gave up another possible benefit or profit in order to achieve success with the factory.  

trade-off is not the correct answer since it is a situation in which you accept losing something in return for benefits in other areas.

and finally, consequence is a general term used to accept what it comes when you make a decision. it can be a positive or negative consequence depending if the decision you took was the correct one.