Answer:
Americans supported the war effort by creating items that would help soldiers fight and win the war.
Step-by-step explanation:
For each war, WWI, WW2, etc, people from all over would apply to factories for work. Engineers would make bullets and explosives, while nurses would serve o heal the soldiers who came home injured or near death. Everyone had a plan and that was to get their loved ones home as soon as possible, bu they knew that they couldn't do it alone.