Those most likely to oppose the encomienda and repartimiento systems and support the spanish new laws were:
a) catholic priests and missionaries who supported fair and humane treatment of american indians.
b) spanish aristocrats who believed that inhumane treatment of native populations reflected favorably on spain’s international reputation.
c)merchants and traders who believed they would profit more from the use of chattel slavery for labor.
d) spanish colonists who saw encomienda as preventing them from finding profitable work in the americas.