What does it mean when world war i is referred to as a "total war”?

World War I is called a "total war" because all aspects of the country's involved were included. This means that the economies, population, and governments were invested like never before. I AM VERY SMART AND I KNOW MY ANSWERS

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.