Select ALL that apply. Which ideas or objects were invented by Eli Whitney?

cotton gin

Explanation:

the answer is richard nixion

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.