Answer:
He played a significant role in the transformation of the Congo from a colony of Belgium into an independent republic.
Explanation:
I would say b. the union
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Answer:
In 1820, amid growing sectional tensions over the issue of slavery, the U.S. Congress passed a law that admitted Missouri to the Union as a slave state and Maine as a free state.
Explanation:
While banning slavery from the remaining Louisiana Purchase lands located north of the 36º 30' parallel.
Answer:
The story of race and labor in America starts with the treatment of black workers ... Every city, every state, and every region of this country has its own deep history with racism. ... The labor movement can and must be at the forefront of efforts to push back ... black freedmen voted and participated in government for the first time.
Brainliest?
This is True.
According to many scientists, it lasted between 3000 BC and 300 AD, and even continued after that.