The slave went free; stood a brief moment in the sun; then moved back again toward slavery.” Explain this assessment by W. E. B. Du Bois of the Reconstruction era by offering the historical evidence that supports each of the three parts of the quote.

1.“The slave went free; stood a brief moment in the sun; then moved back again toward slavery.” Explain this assessment by W. E. B. Du Bois of the Reconstruction era by offering the historical evidence that supports each of the three parts of the quote.
2. Describe the territorial gains made by the United States between 1800 and 1860.