AMERICAN TECHNOLOGY

This map represents the expansion of American territory over time

Cotton gin

COTTON GIN

• Was invented by Eli Whitney
• Quickly and easily seperates cotton
• The cotton gin increased slavery
• Farther west had more cotton so the cotton gin headed that way
• Made it easier to farm cotton

TELEGRAPH

TELEGRAPH

• Made for transmitting and receiving messages over a long distance
• Envented by Samuel Morse
• Samuel Morse also created morse code
• The telegraph didn't cause too much impact on the American life
• Communicastion in the west was slow before the telegraph

RAILROAD

RAILROAD

• Envented by George Stephenson
• The railroad made it easier for people to transport goods and themselves
• Extended markets and made it easier to get around
• Made a faster, safer transfer method
• People used to walk, ride horses or wagons before the railroad

STEAM BOAT

STEAM BOAT

• Envented by John Fitch
• Made a faster way to trade over seas
• They had more control of the ship
• The steam boat made a quicker route westward
• People used to have to rely on the wind to sail but they can control the steamboat