Considering that slavery originated sometime in the 1620s in North America, and that it lasted until 1865, the correct answer to how much it lasted should be around 245 years.
Answer:
C. He founded an organization known as the American Anti-Slavery Society.
They heard a shot come from an unknown area, and were afraid it was coming towards them.
Don't cut down trees.
Support the organizations that help save the amazon rainforest.
Volunteer at a place that helps save the amazon.
Start your own organization.
I hope this helps. :)
-Sydney
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