1. What stamps teach, and the U.S. postal system

What this is made of

• 1(a). What collecting stamps helps you understand
• 1(b). The history of the U.S. postal system

Where this step comes from

1. Stamp Collecting Merit Badge Requirements (Merit Badge Hub, last modified 2025-09-19), Requirement 1 · States "Do the following" with two parts, (a) and (b).