Final answer:
Many Americans in the early 1900s worked hard to make America a success and longed for a return to normalcy after the war. Women and ethnic minorities faced challenges, and the government played a crucial role in controlling the economy and mobilizing the nation. Hence, the correct answer is option C.
Step-by-step explanation:
Based on the wartime materials we've read, we can make the general statement that many Americans in the early 1900s were working hard to make America a success, and after the war was over, they were hoping to get back to normal.
The materials highlight the sacrifices and efforts made by Americans on the home front, including women and ethnic minorities, who struggled to care for their families and went without due to rationing. The government also played an active role in controlling the economy and mobilizing the nation for war.