The best and most correct answer among the choices provided by the question is the second choice "China"
U.S. President Richard Nixon<span>'s </span>1972<span> visit to the People's Republic of China was an important step in formally </span>normalizing relations<span> between the United States and China.</span>
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Answer:
Under Stalin, socialism in one
country became a central tenet
of the party's dogma.
