What was the most significant invention during the Renaissance and why?

Hello friend! Hopefully this helps you as much as needed!

The most important invention of the Renaissance, and perhaps in the history of the world, was the printing press. It was invented by German Johannes Gutenberg around 1440. By 1500 there were printing presses throughout Europe. The printing press allowed for information to be distributed to a wide audience.

d.) continue to rise rapidly

i would say b. research typically uses a variety of sources