When did the Great War came to be called the First World War?

The term "First World War" came into use on or close to 3 September 1939. That is to say, as soon as the Second World War started. Until then it had been referred to as The Great War

1914

Explanation:

The term "World War" (Weltkrieg) first appeared in Germany in 1914. The French and British referred to the war as "La Grande Guerre" or the "Great War", but also adopted the term "World War" later in the conflict.

whose power in the senate is equal to the power of the speaker of the house?

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.