It was the Treaty of Paris
Answer:
After an earlier unsuccessful attempt, Frederick escaped from slavery in 1838 by posing as a free sailor wearing a red shirt, a tarpaulin hat, and a black scarf tied loosely around his neck. He boarded a train bound for Philadelphia.
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3. The literacy rate began to rise as interest in learning grew.
4. Books became available to many people throughout Europe.
Before the results of the printing press, when Johannes Gutenberg invented it in 1440, only about thirty percent of European adults were literate (could read and write). His invention flooded Europe with printed material which is when literacy rates began to rise after interest in learning increased.
