Columbus and His Successors Established an Institution Known as the ≪emphasis>encomienda</emphasis>

Columbus and his successors established an institution known as the <emphasis>encomienda</emphasis>, in which __________.

A) soldiers were slowly transformed from fighters to farmers
B) soldiers received rewards in exchange for killing as many Indians as possible
C) Indians received food in exchange for conversion to Catholicism
D) Indians were compelled to labor in the service of Spanish lords