What do the encomienda, mita, and debt peonage have in common?
a. they were all social systems of discriminating between various racial combinations found in iberian colonies in south america
b. they were all economic systems of providing labor for spanish migrants seeking to make a living in the iberian colonies of south america
c. they were all part of the spanish system of governing her new world colonies and were designed to enforce royal control of distant lands
d. they were all part of the process of conversion among the indigenous peoples of south america to roman catholicism