All of the Following Statements Are True About Spanish Colonization

All of the following statements are true about Spanish colonization in the Americas except:

A) after the initial ferocity of the conquest, the Spanish crown made efforts to moderate the exploitation of native labor.
B) black African slaves became more important in Spanish America than they were in the French or English colonies.
C) the white population of Spanish America remained relatively small.
D) there was a large class of mestizos, people of mixed white and Indian descent.