The increase in learning during the 1300s, 1400s, and 1500s was known as the

The correct answer here is that the Renaissance is the name for the increase in learning during the 1300s, 1400s and 1500s. The renaissance was a part of European history and is often seen as a sort of linking period between the lesser-known times in the middle ages, and the time that we think of as modern history.