The Emancipation Manifesto freed the serfs of the Russian Empire.
Answer:
A messenger system supported communication.
Explanation:
I got right on edg 2021
Call EMS
If the person is showing a allergic reation, they need to have special treatment
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Eli Whitney was the one with the cotton
James Watt was the one with the coal and water
And Jethro Tull Was the reduced number of workers to plant crops.
B:the language is simpler.