Original sentence: Columbus and his crew's arrival to the New World initiated the Columbian Exchange which introduced the transfer of plants, animals, culture, human populations, and technology between the new world and the old
Edited sentence: Columbus and his crew's arrival to the New World initiated the Columbian Exchange which introduced the transfer of plants, animals, culture, human populations, technology, between the new world and the old, and began a process of conquest, violence and disease-spreading that decimated many indigenous lives and societies in the Americas