Explain if world war 1 was really a world war​

Contemporaries certainly thought it was a world war and called it that. 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

Explanation:

there were 6 major base camps.   the base camps were located in alva, fort reno, fort sill, the madill provisional internment camp headquarters, mcalester and camp gruber.