What is the most important reason that Indo-European languages dominate the globe geographically today?

A.
Europeans traded more than other peoples.
B.
European colonization around the world helped spread the languages.
C.
Europe is home to the largest populations in the world.
D.
Indo-European languages are easier to learn than other languages.

Please select the best answer from the choices provided.

B.

European colonization around the world helped spread the languages.