The answer is true.
Explanation is that I just learned about this topic last week and passed the test with this question on it.
Answer:
C. Americans favored an isolationist approach,
Explanation:
Warren Harding was a publisher and editor of a senator who ran for the presidency under the Republican party. Before then, he has been in active politics as a Senator and as well as a Lieutenant Governor of Ohio.
He denounced the nationalistic activism or the global idealism of the previous administrations but rather pleaded for normalcy. His famous speech contains this quote <em>"America's present need is not heroics but healing; not nostrums but normalcy; not revolution but restoration...not surgery but serenity."</em> resonates with the general Americans sentiment in support of his direction to take the government towards to.
I believe your answer is Russia! I hope this helps!! :)
-K