How does the system of checks and balances resolve conflicts over U. S. foreign policy? O A The president has the power to send troops abroad for a limited time, but only Congress can officially declare war.
OB Congress can make treaties with other countries, but the president must give approval before they can go into effect.
O C. The president has the power to make treaties, but Congress and the Supreme Court must give approval.
D. Congress can declare war, but the president has the power to veto the declaration.

churchill warned that the soviet union had cut eastern europe off from the west with an "iron curtain."

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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.