Learn new English vocabulary while listening to this short history story about a very unique postal delivery method in the United States. The story is at the first half of the audio, the vocabulary is at the second half.

• Entrepreneur: A noun that refers to a person who starts and runs a business.
• Relay: A noun that refers to a system in which something is passed from one person or group to another.
• Saddlebag: A noun that refers to a bag attached to a saddle, used to carry things while riding a horse.
• Treacherous: An adjective that describes something that is dangerous or unpredictable.
• Telegraph: A noun that refers to a system of communication that uses a series of electrical impulses to send messages over wires.