<span>The system of feudalism was based upon land holdings.</span>
I got the answer wrong so I just deleted all of it just look at the one above mine.
They got it from india. hope this helps :3
The correct answer among all the other choices is Steam locomotive. This is the transportation development that had the greatest long-term impact on the American economy. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.