A. The war effort required American civilians to contribute.
Total war means the country fighting needs not just all aspects of military personnel but also the dedication of civilians.
In World War II, American civilians were asked to participate in the war effort by giving up items needed for the war. Rationing of major items needed for the war made sure there was food and supplies for the soldiers. Civilians were also asked to purchase bonds to help fund the war effort. Factories were transformed into war machines and people were put to work including women. The entire society became focused on the war.
Gutenburg's printing press was such an important invention, because before he invented it, people would either write stuff all by hand, or make some stamping system. If Gutenburg hadn't invented the printing press, we wouldn't have printers to print things out!
Extra:
Gutenburg designed the printing press in a town called Strasbourg, France. he built the actual thing in Mainz, Germany.
Answer: overcrowded housing, hunger or the risk of hunger (termed “food insecurity” by the government), or lack of needed medical care
Explanation:
He approved of slavery, he didn't think all people were all equal, he also thought woman were weaker than men& that they had to obey their commands from their husbands.