History review

1. it was used for farming to break up tough soil,it came out ten years after the first plow was made,
8. carrying people and goods at unprecedented speeds around the globe.
10. it helped many business to thrive
12. to leave a country
14. a machine that enabled an individual to produce multiple spools of threads simultaneously.
15. built 80% of the railroad

2. one of the immigrants that was successful
3. created the cotton gin
4. people moving to the cities
5. On its first run, it carried passengers from New York City to Albany and back.
6. it made a huge impact on the economy
7. to enter a country
9. Workers could now make dozens of shirts in the time it took a tailor to sew one by hand.
11. Largest immigrant group
13. uneducate, took lowest paying job