In spanish america people who were of mixed european and indian ancestors were called

n Spanish Latin America, people who were of mixed European and Indian ancestry were called mestizos. It is a term traditionally used in Spain.  The word comes from the Spanish word "mestizaje" which is a word that generally means the process of mixing ancestries.

the real answer is b

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."