Answer:
In 1834, Dred Scott, a slave, had been taken to Illinois, a free state, and then Wisconsin territory, where the Missouri Compromise of 1820 prohibited slavery.
Explanation:
Answer:
a
Explanation , would be the only one
Actually the real answer is the second and first world war pouring money into the us economy for output. If that is not an option it would be the invention of the steam engine and the 1800's locomotive industry.
Answer:
Wow
Explanation:
Just try and remember what your teacher taught you