I think it would be A End of the Cold War.
Hope I helped!
Answer:
They're used to regulate economic activity over time.
Explanation:
They're used to accelerate the growth of the economy when it is in a depression, or slows down the economy when an economy starts to overheat per say.
Answer: <em> The customary diplomatic intercourse between nations. It involves permanent contact and communication between sovereign countries As a part of the diplomatic relations two countries send diplomats to work in each other's country</em>
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All of these played important roles!
The mining industry enabled the excavation of many important and precious minerals which wre later used in differetn technological applciations.
The railroads increased the speed by which things were being transmitted.
The cattle business enabled people to sustain themselves through food.
The homestead act enabled people to become self-sufficient.
