Thank you for posting your question here at brainly!~ To answer shortly I'd say the most important reason that Indo-European languages dominate the globe geographically today is because of "B. European colonization around the world helped spread the languages." Hope I helped!~ Brainliest appreciated.
I believe the plates are called the south American plates just saying I might be correct or I might be wrong so don't take my word for it I am not the expert
