The steamboat -
Cotton Gin
Well first of all you have to tell us your options. You said "which of the following" and you didn't say what the following were.
The creation of Factories
Capital
It contributed to globalization by encouraging companies to develop new shipping and communications technologies.
the cotton gin
Cotton Gin
Both the phonograph and electric lightbulb were invented in the late 19th century.
Radio was not an important invention in the early 20th century. Instead it was developed by Heinrich Hertz in the 18th century. The cotton gin (APEX)
The locomotive
The Steamboat
Radio was not an important invention in the early 20th century. Instead it was developed by Heinrich Hertz in the 18th century. The cotton gin (APEX)
The Steamboat
The Steamboat
The Steamboat
The most important invention of this century will be the discovery of the cure of HIV/AIDS. This disease has no cure and has claimed the lives of very many people.
The cotton gin