Europeans domesticated cattle, pigs, chicken, goats, and sheep to the Americas.
https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/exchange-plant-and-animal-species-between-new-world-and-old-world#:~:text=Europeans%20introduced%20such%20domestic%20animals,hides%20or%20wool%20for%20clothing.
A. The rule of law is the central idea guiding many of the rights and judgment we follow today
I would say the internet since overtime, the internet is becoming used more than books and physically notes.
It would be b I just took the test