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.
Guns. Lots of guns and transport for those guns. Also telecommunication from Mores Code.
<span>Disssociative Identity Disorder or as it was previously known Multiple Personality Disorder is a mental disorder which was discovered in 1880 Paris by Dr. Jean-Martin Charcot. The symptoms originally included loss of consciousness fainting and convulsions. There is controversy of the disorders existence.</span>