Question

How did these inventions help expand the national market economy?

1. Vulcanized rubber

Answer 1

What are the other options?

Answer 2

let me see, one seecond

Answer 3

2. Sewing machine

(and improvements)



3. Telegraph



4. Steamboat



5. Railroad



6. Steel plow



7. Mechanical reaper




all of these

Answer 4

wow

Answer 5

yeah

Answer 6

That why you only asked on lol

Answer 7

yeah, i didnt want to overload lol

Answer 8

i can do one

Answer 9

but first of all what is vulcanized rubber

Answer 10

thats my question lmao

Answer 11

okay its like a rubber that was heated really hot then cooled to harden
but it was mainly created for flooring like the tiles in the schools that one thing that comes to mind

Answer 12

ohhhhh thank you!

Answer 13

Its also used for bowling balls and hockey pucks

Answer 14

toys, tires, rubber balls

Answer 15

alright thank you!, i can handle the rest, i appreciate it
:D

Answer 16

you sure i can help with the others