Which empire had Constantinople as its capital, and when was it captured by the Turks?

What is Feudalism?

Read the following excerpt and answer the question that follows:

"The invention of the printing press also played a role in the emergence of the Renaissance in the continent and in England."

(Source: https://egyankosh.ac.in/bitstream/123456789/22151/1/Unit-8.pdf)

When and where was the printing press invented?

Who invented the telescope?