<span>Jefferson was worried over the agreement because his new agreement would be a threat to the united states.
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It was easier for students to read and learn about different subjects. Since there were so many books printed, it was cheaper for learning students.
Hope this helps a little
History cannot be recorded without writing.
Prehistory refers to the time before recorded history, and of course history cannot be recorded without the use of writing. Hence, prehistory is defined as the time before the advent of writing.
