How did President Nixon's policy of détente change US foreign relations with Communist nations?

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Explanation:

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse