during the early middle ages only a few towns existed because agriculture was the basis of the economy.
Thomas Jefferson was the 3rd president
The process by which new information displaces older information in short-term memory could explain why someone, for example, could remember a phone number and suddenly he or she will forget the last three digits of the number. In order to avoid this, we can enhance our short-term memory skill by chunking or having a rehearsal.
Lyrics, Hope this helps! If it does mark brainiest!