It was beneficial because it brought many new foods and livestock to different parts of the world promoting more agriculture
It was detrimental because the Europeans killed over 90% of the Native American population
I dont know i am in elemantary school
The correct answer is comma.
Other punctuation marks are used for other reasons such as ending a sentence or instead of a missing letter and in contractions. Commas are used in front of conjunctions such as the oxford comma used before and.
