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.
Everyone was subject to law
The First Continental Congress helped unite the separate colonies
Answer:
The slave trade had devastating effects in Africa. Economic incentives for warlords and tribes to engage in the slave trade promoted an atmosphere of lawlessness and violence. Depopulation and a continuing fear of captivity made economic and agricultural development almost impossible throughout much of western Africa.
The Central Powers consisted of Austria-Hungary, Germany, Bulgaria, and the Ottoman Empire.
The Alliance Powers consisted of Serbia, Russia, France, the United Kingdom, Italy, Belgium, and the United States.
