which transportation development had the greatest long-term impact on the american economy?

Answer 1

The train I believe.

Answer 2

The answers are
1. steamboat
2. canal system
3. horse-drawn cart
4. steam locomotive
I think the answer is 1 or steam boat

Answer 3

gogle it it comes up on yaho answers.

I would probably go with A too.

Answer 4

What was the correct answer?

Answer 5

steam locomotive is the right answer Florida Virtual School right?

Answer 6

number one