In 2014, the U. S cut off all financing for development projects in Russia. We have prohibited exporting or re-exporting goods that would help develop their ability to produce oil. This is an example of -Diplomatic Sanctions.
-Military Interventionism.
-Military Sanctions.
-Economic Sanctions.

Economic Sanctions

Explanation:

In simple words, Economic sanctions are contractual and monetary penalties imposed on such a self-governing nation, party, or person by one or even more governments. Global restrictions are not only enforced for economic reasons; they may be implemented for a number of diplomatic, technological, and social reasons as well.

the answer is c.richard m. nixon

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