What is the theme of By the Great Horn Spoon

By The Great Horn Spoon is a children's novel by Sid Fleischman, published in 1963. The story takes place in the California Gold Rush. A twelve-year-old boy named Jack, who has lived with his Aunt Arabella since his parents died, heads to California to search for gold after Aunt Arabella loses all her money.

Explanation:

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).