The artwork Uncle Sam was created in 1917 as a recruiting poster for the US Army.
举一反三
- Immediately after leaving school, Sam joined the army. → , Sam joined the army.
- Who is Uncle Sam?
- Uncle Sam is the nickname of Britain.
- "Uncle Sam" is another saying of ______.
- The representatives of the colonies agreed to take steps to organize an American army and appointed _________________Commander-in-Chief of the Continental Army.