United states intelligence community
This is describing the "containment" policy. This concept was developed by the US government to stop the spread of communism. Ultimately, the US followed this policy by aiding countries that were close to the Soviet Union.
A perfect example of this would be the Truman Doctrine. This law helped to give $400 million of financial aid to Greece and Turkey. These two countries were close to the Soviet Union and were possible targets where communism could spread.
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The invention of the steam engine created many changes and additions to the technology of the time, including steam powered locomotives. Steam locomotives are vehicles that run on rails or tracks and are powered by steam engines. They were historically used for moving freight and other materials, as well as passengers.
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