Answer:
the army announced that over 250,000 black slaves were free
Explanation:
Answer:
Gunpowder, paper, printing, and the compass are sometimes called the Four Great Inventions of Ancient China. Kites were first used as a way for the army to signal warnings. Umbrellas were invented for protection from the sun as well as the rain.
Explanation:
Answer:
the slave codes
Explanation:
The laws that established an official system of slavery in the american colonies were referred to as "Slave Codes" which not only established the status of different slaves but also a good deal of their treatment.
B) Kelper: planetary orbits
Kelper had a similar theory of Copernicus