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.
One was that there was a long term war that was being fought. Two is crippled the American fleet in the Pacific.
Answer:
They didn't add about world war 2 or pearl harbor
Explanation:
You didn't post a picture or tell us what the choices are
The discovery of fire is important because you are able to create heat and cook food. Heat increases your chances of survival in cold environments and cooking your meat means that is slower to spoil. Also fire can protect you from land predators. Lastly fire led to the creation on metal weapons and pottery.