chlochlo4511
Answered

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Answer: brainlist pls and thank you

Explanation:

Cotton gin. Gets rid of seeds 50 times faster.

Postitive effect: thought if would decreased the need for slaves.

negative effect: cotton gin incresed the need for slaves

steam engine: gives engery and better transport by taking water and steam and converting it to engery.

postitive effect: don’t need to be near water also increased better transportation

negative effect: can blow up and cost a lot.

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