Before the Europeans arrived, Native Americans traveled this way.
On rivers and trails.
This was a trail that went through the mountains from Virginia to Kentucky.
The Cumberland Gap
This was a mail system that allowed mail to be carried from Missouri to California at a fast pace.
The Pony Express
She opened a school for African American girls in Florida in 1904.
Mary McCleod Bethune
This is money paid for using a road.
Toll
In 1804, these two explorers explored the American West.
Lewis and Clark
He widened the Cumberland Gap, allowing settlers to pass through safely.
Daniel Boone
This is a code that uses dashes and dots to represent letters and numbers.
Morse Code
He invented the light bulb.
Thomas Edison
This is a region that forms the edge of a settled area.
Frontier
Why were canals needed?
Rivers were too dangerous to travel.
This person had to build their own house and live on the land for five years.
A homesteader.
He invented the telephone.
Alexander Graham Bell
He invented the assembly line.
Henry Ford
This is a machine that sends and receives signals through a thin wire.
Telegraph
What were two famous roads on which wagon trains traveled?
The National Road and the Oregon Trail
Why were Chinese immigrants excluded?
Because many Americans thought they were taking their jobs.
He invented the radio.
He discovered a vaccine for smallpox.
Edward Jenner
This is a weakened virus given to people to help them fight off a disease.
Vaccine
What made roads popular?
The invention of cars.
This is a person who moves from one country to settle in another country.
Immigrant
This is a document giving someone the right to be the only person making or selling an item.
Patent
He discovered a vaccine for polio.
Jonas Salk
These are when people have the same rights as others.