I believe the answer is: oil and electricity
Answer:
It established laws for slaveholders to follow.
Explanation:
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It created an orderly plain to settle a new area of the u.s, the territory grew in population and got rights for self government as well.
Answer:
Why did labor unions first form? During the Industrial Revolution, the working conditions in factories, mills, and mines were terrible. ... They joined together and created unions in order to fight for safer conditions, better hours, and increased wages.
Explanation:
