If i'm correct it would be C. Celestial Navigation.
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Answer:
Andrew Johnson became the 17th President of the United States (1865-1869)
Explanation:
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Industrialization involves factories. New factories need workers. A majority of these workers are people moving to cities looking for the new jobs.
The answer is D.
B. <span>Many blacks found conditions in northern cities worse than under Jim Crow and returned to the South.
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Boys :
- Until they were 6 or 7, they were taught at home by their slave or mother
- Started school at 14 , where they learn science and philosophy
- At 18, except they're already working or they're disabled, they started their military training
girls :
- Taught at home by their mothers in order to became a stay at home mom
