I’d go with C. Jazz and the dance “The Charleston” were big and new in the 1920s.
Not A, because The Great War, World War I, ended in 1918.
Not B, because the Panama Canal was built from 1904 to 1914.
Regarding D: Telegraphs were sent from the 1840s-1977. If the question is supposed to have more than one answer, this would be a good second answer. But if the question has only one answer, go with C.
The federal governments had a responsibility of drawing up more treaties, as per the Articles of Confederation. The government could not maintain power and order, which was the result of weaknesses of the Article of Confederation. The main aim of this article was to unify the countries, during the war.
The us economy after world war 1 relied in large part on "inflation" since this was a major symptom that led up to the Great Depression and the 1920s bubble.
I believe that the picture represents one of Donatello's statues, 'The Bronze David'.
This version of David is the second one which is made of bronze. The first version of David was carved out of marble. No, this is not the David statue that Michelangelo made - this is Donatello's version of David.
So, considering that Donatello created the bronze David, the answer is A) Donatello.