Answer:
Well they were doctors, so Koch and Loeffler?
Explanation:
Answer:
Explanation:
The American Civil War preserved the Union and freed the slaves. However, during Reconstruction, a lack of political focus on the effort failed to solve the sectional wounds, and the elimination of the freed slaves' newly gained civil liberties failed to bring about long-term racial integration.
These advances in the history of technology stimulated societies to adopt new ways of living and governance.
They would probably study a development of trade, Among others.
