is the BEST explanation why there are twenty times more Portuguese speakers in Latin America, rather than in Portugal?

Question

A) Portuguese is an important international language and commonly learned in school.
B) Portuguese explorers spread their language all along the coastline of South America.
Portuguese introduced the slave trade to Latin America so most slaves spoke
Portuguese.
D) Portuguese colonized countries such as Brazil, which is one of the most populated countries

Answer 1

The best explanation for why there are twenty times more Portuguese speakers in Latin America, particularly in Brazil, rather than in Portugal is:

D) Portuguese colonized countries such as Brazil, which is one of the most populated countries.

This option highlights the historical context of Portuguese colonization, which led to the establishment of a significant Portuguese-speaking population in Brazil. Brazil's large population contributes to the high number of Portuguese speakers in Latin America as a whole.